if n is not known, choose any p and q such that (p-q) = 1. Ackermann Function without Recursion or Stack. Last edited on Jul 04 2015. Since j = O(n), the net runtime is at most O(nk). WHO . 4.18 avg rating 423,228 ratings. If you interpret this knocking as morse code the message who's behind the door is astonishingly: There is no way to judge the length of the last knock, so it's just a normal triple knock. Henry van Dyke? The book's main thesis is a differentiation between two modes of thought: "System 1" is fast, instinctive and emotional; "System 2" is slower, more deliberative, and more logical.The book delineates rational and non-rational motivations or triggers associated with each type of thinking process, and how they complement . ._3bX7W3J0lU78fp7cayvNxx{max-width:208px;text-align:center} For greatest efficiency , m = 1. . I tried putting each of the subqueries in a "CREATE TABLE" query. ._1sDtEhccxFpHDn2RUhxmSq{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:18px;display:-ms-flexbox;display:flex;-ms-flex-flow:row nowrap;flex-flow:row nowrap}._1d4NeAxWOiy0JPz7aXRI64{color:var(--newCommunityTheme-metaText)}.icon._3tMM22A0evCEmrIk-8z4zO{margin:-2px 8px 0 0} by. The attribution was anonymous:[6]1942, A New Dictionary of Quotations on Historical Principles from Ancient and Modern Sources, Selected and Edited by H. L. Mencken (Henry Louis Mencken), Section: Love Its Effects, Quote Continue reading. He doesn't know her. (Verified with hardcopy), 1949, The Home Book of Quotations: Classical and Modern, Selected by Burton Stevenson, Sixth Edition, Topic: Sun-Dial, Quote Page 1943, Dodd, Mead and Company, New York. @keyframes _1tIZttmhLdrIGrB-6VvZcT{0%{opacity:0}to{opacity:1}}._3uK2I0hi3JFTKnMUFHD2Pd,.HQ2VJViRjokXpRbJzPvvc{--infoTextTooltip-overflow-left:0px;font-size:12px;font-weight:500;line-height:16px;padding:3px 9px;position:absolute;border-radius:4px;margin-top:-6px;background:#000;color:#fff;animation:_1tIZttmhLdrIGrB-6VvZcT .5s step-end;z-index:100;white-space:pre-wrap}._3uK2I0hi3JFTKnMUFHD2Pd:after,.HQ2VJViRjokXpRbJzPvvc:after{content:"";position:absolute;top:100%;left:calc(50% - 4px - var(--infoTextTooltip-overflow-left));width:0;height:0;border-top:3px solid #000;border-left:4px solid transparent;border-right:4px solid transparent}._3uK2I0hi3JFTKnMUFHD2Pd{margin-top:6px}._3uK2I0hi3JFTKnMUFHD2Pd:after{border-bottom:3px solid #000;border-top:none;bottom:100%;top:auto} I knew about pointers, and how having two pointers can sometimes help you solve a problem; basically keeping track of where you are in a linked list, or array, or graph but at two different locations. Imagine if they were both moving by one each time. integer, the hare would skip every H - T - 1 nodes (again, relative Another way to think about it is that even though the fast pointer is moving twice as fast as the slow pointer, if we look at it from the frame of reference of the slow pointer, essentially, the slow pointer is static and the fast one is moving 1 step at a time. This can be an array, singly-linked list, or a graph. This might happen for at least two reasons. The word for just one time is once. (Google Books Full View) link. Very fast for those who are scared To make the GCD as 1: Update: On some further analysis later, I realized that any unequal positive integers p and q will make the two references meet after some iterations. Person B: Is that slow time or fast time? knock two times fast one time slow reference Established Patients: skylan brooks parentsMON - THU 8:30 AM - 4:00 PM & FRI 9:00 AM - 12:00 PM Follow us on: uno's garden pdfbufo alvarius for sale 2021 burt bacharach illness Home About Us Medical Services Self-Pay Fees Insurance Plans Immigration Services Contact Us Pay Online Book Appointment In 1902 Alice Morse Earle published Sun Dials and Roses of Yesterday, and she repeated the information about the sundial together with the two poems. Welcome . However, choosing a step of size two maximizes efficiency. Otherwise, the two pointers will meet after the slow pointer has taken j steps. A triple knock is 3 knock is spaced out at equal times apart. (Verified with hardcopy), 2013, This Is The Day The Lord Has Made: Inspiration for Women, Compiled by Joanna Bloss, Chapter: Joy in Waiting, Quote Page 179, Barbour Publishing, Uhrichsville, Ohio. See also 10-15 seconds of pre-compile. Download Knock Two Times song and listen Knock Two Times MP3 song offline. If there are two middle nodes, return the second middle node. (Internet Archive at archive.org). A few years later van Dyke published a slightly different version of this poem about time. knock two times fast one time slow reference . By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. However, I had only ever used them to start at different parts of the data structure, or by keeping one static while one of them moved. In a looping linked list, what guarantee is there that the fast and slow runners will collide? is "So, the distance slow pointer travels = s + j". HIT #1: January 23, 1971. Theoretically, consider the cycle(loop) as a park(circular, rectangle whatever), First person X is moving slow and Second person Y is moving faster than X. Sudden blurred vision or loss of sight in one or both eyes. Share Improve this answer Follow answered May 20, 2014 at 14:59 Zibbobz 24.1k 15 103 173 So in short, there's two possibilities: It's all part of his experiments in time travel. Press J to jump to the feed. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. OR A: It's time to go home now. But there are other signs that you should always take seriously. Too Long for those who Grieve, rev2023.3.1.43269. but for those who love, time is eternal. Say we use two references Rp and Rq which take p and q steps in each iteration; p > q. That's what I tried to prove . The condition for them to meet after t steps is then. FOR . Another way that differences between fast versus slow life history strategies may be conceptualized is by envisioning strategies as investments in present versus future mating effort. The shape of a single data sample is different between the two pathways . GRIEVE, fast moves at 2 Create an account to follow your favorite communities and start taking part in conversations. TOO . When they wrote the song, they were thinking about The Drifters ' 1962 song. GaminqPenquin 1 min. Brother's Karamazov features the same sequence of knocks for when as a secret code for knocking on Fyodor Pavlovich's door. They both dampen the reaction of the displayed level to a sudden change in the sound level. Home / Okategoriserade / knock two times fast one time slow reference. Too long for those who grieve, Would you please explore this topic? Now the time complexity is a little harder to understand. GeeksforGeeks, Runtime complexity of Floyds cycle detection, https://github.com/sarakhandaker/portfolio. This will certainly be the case if gcd(L+1-r2,L)=1. You might over-invest in email, wander the internet, or focus on unimportant items or errands, thinking . No question about it. 26. If there is a loop (of n nodes), then once a pointer has entered the loop it will remain there forever; so we can move forward in time until both pointers are in the loop. "Two times as fast" is the same as "twice as fast". The three key words scared, lament, and celebrate semantically match the words fear, grieve, and rejoice. For greatest efficiency , m = 1. if we take a value of k > 2 , more the distance the two pointers would have to travel. High-level illustration of the SlowFast network with parameters (Image: SlowFast) Lateral Connections As shown in the visual illustration, data from the Fast pathway is fed into the Slow pathway via lateral connections throughout the network, allowing the Slow pathway to become aware of the results from the Fast pathway. I love seafood, exploring new cities, board games and learning to love to code. The lines under examination are similar to the lines immediately above. Here's another implementation of this fast and slow pointer technique. See the 1904 citation further below. What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? @Isabella_rjm pointed to the Tumblr Thats Not Shakespeare which examined the poem attributed to Shakespeare back in 2011. Intuitively, people tend to pick k = 2 to minimize the runtime, since you take the fewest number of steps on each iteration. However, if the fast pointer reaches an end before joining up with the slow pointer, we know there was no cycle and we return false. when the fast train has covered 2/3 of the distance. The space complexity in the above algorithm is constant (O(1)). But it will catch it after a certain constant number of cycles, let's call it k cycles. SLOW . While going about my algorithm practice, I came across an interesting concept that I definitely wish I had seen earlier. Thank you, this finally clarified the algorithm for me. ._3K2ydhts9_ES4s9UpcXqBi{display:block;padding:0 16px;width:100%} Here's the theorem that makes Floyd's algorithm work: The linked list contains a cycle if and only if there is a positive integer j such that for any positive integer k, xj = xjk. https://math.stackexchange.com/questions/412876/proof-of-the-2-pointer-method-for-finding-a-linked-list-loop, The open-source game engine youve been waiting for: Godot (Ep. . There is no word for four times, . Floyd's algorithm does have p-q = 2-1 = 1. if n is known, choose any p and q such that (p-q) is coprime with n. Asking for help, clarification, or responding to other answers. Also if you are really unlucky then you may end up in a situation where loop length is L and you are incrementing the fast pointer by L+1. New days, Listen to Knock Two Times MP3 Song by Mike Brooks from the album They Trying to Conquer (2018 Remaster) free online on Gaana. This can be accomplished through the use of high-speed cameras and then playing the footage produced by such cameras at a normal rate like 30 fps, or in post production through the use of . In 1942 H. L. Mencken included the two poems in his compendium A New Dictionary of Quotations on Historical Principles from Ancient and Modern Sources. ._38lwnrIpIyqxDfAF1iwhcV{background-color:var(--newCommunityTheme-widgetColors-lineColor);border:none;height:1px;margin:16px 0}._37coyt0h8ryIQubA7RHmUc{margin-top:12px;padding-top:12px}._2XJvPvYIEYtcS4ORsDXwa3,._2Vkdik1Q8k0lBEhhA_lRKE,.icon._2Vkdik1Q8k0lBEhhA_lRKE{border-radius:100%;box-sizing:border-box;-ms-flex:none;flex:none;margin-right:8px}._2Vkdik1Q8k0lBEhhA_lRKE,.icon._2Vkdik1Q8k0lBEhhA_lRKE{background-position:50%;background-repeat:no-repeat;background-size:100%;height:54px;width:54px;font-size:54px;line-height:54px}._2Vkdik1Q8k0lBEhhA_lRKE._1uo2TG25LvAJS3bl-u72J4,.icon._2Vkdik1Q8k0lBEhhA_lRKE._1uo2TG25LvAJS3bl-u72J4{filter:blur()}.eGjjbHtkgFc-SYka3LM3M,.icon.eGjjbHtkgFc-SYka3LM3M{border-radius:100%;box-sizing:border-box;-ms-flex:none;flex:none;margin-right:8px;background-position:50%;background-repeat:no-repeat;background-size:100%;height:36px;width:36px}.eGjjbHtkgFc-SYka3LM3M._1uo2TG25LvAJS3bl-u72J4,.icon.eGjjbHtkgFc-SYka3LM3M._1uo2TG25LvAJS3bl-u72J4{filter:blur()}._3nzVPnRRnrls4DOXO_I0fn{margin:auto 0 auto auto;padding-top:10px;vertical-align:middle}._3nzVPnRRnrls4DOXO_I0fn ._1LAmcxBaaqShJsi8RNT-Vp i{color:unset}._2bWoGvMqVhMWwhp4Pgt4LP{margin:16px 0;font-size:12px;font-weight:400;line-height:16px}.icon.tWeTbHFf02PguTEonwJD0{margin-right:4px;vertical-align:top}._2AbGMsrZJPHrLm9e-oyW1E{width:180px;text-align:center}.icon._1cB7-TWJtfCxXAqqeyVb2q{cursor:pointer;margin-left:6px;height:14px;fill:#dadada;font-size:12px;vertical-align:middle}.hpxKmfWP2ZiwdKaWpefMn{background-color:var(--newCommunityTheme-active);background-size:cover;background-image:var(--newCommunityTheme-banner-backgroundImage);background-position-y:center;background-position-x:center;background-repeat:no-repeat;border-radius:3px 3px 0 0;height:34px;margin:-12px -12px 10px}._20Kb6TX_CdnePoT8iEsls6{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin-bottom:8px}._20Kb6TX_CdnePoT8iEsls6>*{display:inline-block;vertical-align:middle}.t9oUK2WY0d28lhLAh3N5q{margin-top:-23px}._2KqgQ5WzoQRJqjjoznu22o{display:inline-block;-ms-flex-negative:0;flex-shrink:0;position:relative}._2D7eYuDY6cYGtybECmsxvE{-ms-flex:1 1 auto;flex:1 1 auto;overflow:hidden;text-overflow:ellipsis}._2D7eYuDY6cYGtybECmsxvE:hover{text-decoration:underline}._19bCWnxeTjqzBElWZfIlJb{font-size:16px;font-weight:500;line-height:20px;display:inline-block}._2TC7AdkcuxFIFKRO_VWis8{margin-left:10px;margin-top:30px}._2TC7AdkcuxFIFKRO_VWis8._35WVFxUni5zeFkPk7O4iiB{margin-top:35px}._1LAmcxBaaqShJsi8RNT-Vp{padding:0 2px 0 4px;vertical-align:middle}._2BY2-wxSbNFYqAy98jWyTC{margin-top:10px}._3sGbDVmLJd_8OV8Kfl7dVv{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:21px;margin-top:8px;word-wrap:break-word}._1qiHDKK74j6hUNxM0p9ZIp{margin-top:12px}.Jy6FIGP1NvWbVjQZN7FHA,._326PJFFRv8chYfOlaEYmGt,._1eMniuqQCoYf3kOpyx83Jj,._1cDoUuVvel5B1n5wa3K507{-ms-flex-pack:center;justify-content:center;margin-top:12px;width:100%}._1eMniuqQCoYf3kOpyx83Jj{margin-bottom:8px}._2_w8DCFR-DCxgxlP1SGNq5{margin-right:4px;vertical-align:middle}._1aS-wQ7rpbcxKT0d5kjrbh{border-radius:4px;display:inline-block;padding:4px}._2cn386lOe1A_DTmBUA-qSM{border-top:1px solid var(--newCommunityTheme-widgetColors-lineColor);margin-top:10px}._2Zdkj7cQEO3zSGHGK2XnZv{display:inline-block}.wzFxUZxKK8HkWiEhs0tyE{font-size:12px;font-weight:700;line-height:16px;color:var(--newCommunityTheme-button);cursor:pointer;text-align:left;margin-top:2px}._3R24jLERJTaoRbM_vYd9v0._3R24jLERJTaoRbM_vYd9v0._3R24jLERJTaoRbM_vYd9v0{display:none}.yobE-ux_T1smVDcFMMKFv{font-size:16px;font-weight:500;line-height:20px}._1vPW2g721nsu89X6ojahiX{margin-top:12px}._pTJqhLm_UAXS5SZtLPKd{text-transform:none} The word for three times is thrice. The loop has 5 elements. The second one would sound better if you said 'time flies by'. It is often applied to determine if there are any cycles in the data structure and is therefore also known as Floyds Cycle Detection Algorithm. Hours fly, To that point, while this isn't a bad answer I don't think it's actually answering the question. A: It's time to go home now. And, when events are more emotionally . Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Too short for those who rejoice, + Add a definition for this slang term FOR . https://math.stackexchange.com/questions/412876/proof-of-the-2-pointer-method-for-finding-a-linked-list-loop. Title : Knock Knock Release : 2015-03-24 Rating : 8.4/10 by 3845 Runtime : 113 min. Anon. REJOICE; Suppose one pointer is run at rate r1=1 and the other at r2. LONG . From here on the pointers can be represented by integers modulo n with initial values a and b. Privacy Policy. How to extract the coefficients from a long exponential expression? Thinking, Fast and Slow is a 2011 book by psychologist Daniel Kahneman.. Remember that j is the smallest multiple of l greater than s. If s l, then j = l; otherwise if s > l, then j will be at most 2s, and so the value of j is O(s + l). B: Already? Since m is the no.of times the fast pointer has completed the loop , m >= 1. Quote Investigator: QI has found no substantive support for the ascription to William Shakespeare. If the slow pointer moved at 2 steps, however, the meeting would be guaranteed. We only additionally store two nodes of the linked list to determine where the fast or slow pointer is. THOSE . FEAR, Alternatively, the modified statements may have been constructed deliberately with uncertain motivation. In this series we explore Rust's compile times within the context of TiKV, the key-value store behind the TiDB database. the tortoise was in any of those nodes. Dear Quote Investigator: The following lines have been credited to the famous English playwright and poet William Shakespeare: Time is very slow for those who wait Yarn is the best search for video clips by quote. the slow train is 180Km away from city B, when the fast has arrived in city B, the slow train has covered 6/7 of the distance. It's almost a mantra in climate science: The Arctic is warming twice as fast as the rest of the world. Distance the fast pointer travels = s + j + m * t (where m is the number of times the fast pointer has completed the loop). Then we have that for some positive j, xj = x2j and j 2j, and so the list contains a cycle. The knocks can be as fast as 12 times per second, or as slow as 4 times per second. Google didn't exist yet, fewer than 20% of U.S. households had internet access, and those who did were using a dial-up connection. @Nikita Rybak- That's true. (Google Books Full View), 1903, A Book of Sundial Mottoes, Compiled by Alfred H. Hyatt, Quote Page 94, Scott-Thaw Company, New York. Is lock-free synchronization always superior to synchronization using locks? We can take advantage of two pointers moving at different rates here. Meditate. You don't have to always say 'wow' before these phrases but in these examples, it sounds more natural.|@mollyyy_: You can also say "How time flies . It will wind up in the same place each time, but that's not a problem because the slow pointer will catch it. India opener Rohit Sharma played a captain's knock on a slow, testing track in Nagpur on Friday and brought up his 9th Test century that took the hosts past Australia 's first-innings total of 177 on day two of the first Test of the Border-Gavaskar Trophy. Does this make sense? (ProQuest), 2006, Brewers Famous Quotations, Edited by Nigel Rees, Section: Henry Van Dyke, Quote Page 475, Weidenfeld & Nicolson, London. Flowers die, I think that might be one scenario where mortgages would be . TOO . First, when we are young, everything is new. In detecting the cycle, depending on where the cycle occurs, the fast and slow pointers may not meet on the first iteration through the linked list. Any larger distance will eventually become a distance of three, two or one. (ProQuest). The automatic operations of System 1 generate surprisingly complex patterns of ideas, but only the slower System 2 can construct thoughts in an orderly series of steps. I don't believe it would be a lot of work to implement. Time is Eternity. This could change the compile times from 5 min to just a few sec. Van Dyke also deserves credit for the slightly different version of the poem he published in the 1904 collection Music and Other Poems. [3] 1902, Sun Dials and Roses of Yesterday by Alice Morse Earle, Chapter 9: Pedestals and Gnomons, Quote Page 223, The Macmillan Company, New York. With Aiden Cardei, Jordan Elizabeth, Aleksandar Popovic, Lovie Ray. Why not something else? In the great 1993 chess movie Searching for Bobby Fischer, elementary-school-age prodigy Josh finds himself caught between two mentors: Bruce Pandolfini, an aloof master of the game who favors a. @j_random_hacker . how can slow pointer ever catch the fast pointer ?? upgrading to decora light switches- why left switch has white and black wire backstabbed? Not the answer you're looking for? Consider a cycle of size L, meaning at the kth element is where the loop is: xk -> xk+1 -> -> xk+L-1 -> xk. Below is a picture of the second verse with proper orientation. The only possibility where a meeting is guaranteed is when H - T - 1 = 0. WHO . Interestingly, van Dyke slightly changed the second poem. TIME . Apocryphal? too swift for those who fear, rob houchen biography; lukas gage dhar mann; bella depot retractable ceiling fan installation; fox 17 nashville high school football; mason cook deaf; labor day party names; knock two times fast one time slow reference. Cookie Notice When the distance becomes the same as the length of the list, they meet because they are moving in a cycle. Is this phrase a reference to something? One system is fast, intuitive, and emotional; the other is slower, more deliberative, and more logical. 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Nobel Prize winning Psychologist Daniel Kahneman, in his book Thinking Fast and Thinking Slow, details the two cognitive processes for decision-making: fast System 1 and slow System 2.. Reddit and its partners use cookies and similar technologies to provide you with a better experience. The reason why 2 is chosen is because lets say slow pointer moves at 1 fast moves at 2 The loop has 5 . Make a plan. in Both States, This Wallpaper Is Killing Me; One of Us Must Go, 1901 December 16, The Dial, Holiday Publications II, Review of Mrs. Alice Morse Earles Old Time Gardens, Quote Page 515, The Dial Company, Chicago, Illinois. which has solution t=ab mod n. This will work so long as the difference between the speeds shares no prime factors with n. Reference Kahneman exposes the extraordinary capabilities - and also the faults and biases . Postgres will then save its work to disk as it goes along. Love stays." At the base of the gnomon is the second motto: Time is Too Slow for those who Wait, Too Swift for those who Fear, Too Long for those who Grieve, Too Short for those who Rejoice; But for those who Love, Time is Eternity. Given a cycle of length N =(H - T) * k, where k is any positive THOSE . We only additionally store two nodes of the linked list to determine where the fast or slow pointer is. a+tb+2t mod n Which means it will be at the middle node! How to prove the first part of Floyd's algorithm for cycle detection? We can use the fast and slow pointers as discussed above. Would the reflected sun's radiation melt ice in LEO? Though, the values of 1 and 2 seem to require less number of total stepping. quizlet spanish 2; rare books to look for at garage sales. There will always be a case when they meet at one point. To implement this algorithm, the two pointers will start at a location (the head node in the case of determining cycles in a linked list). How long is the distance between A and B? Wow, time goes by so fast, doesn't it? BUT . ._1aTW4bdYQHgSZJe7BF2-XV{display:-ms-grid;display:grid;-ms-grid-columns:auto auto 42px;grid-template-columns:auto auto 42px;column-gap:12px}._3b9utyKN3e_kzVZ5ngPqAu,._21RLQh5PvUhC6vOKoFeHUP{font-size:16px;font-weight:500;line-height:20px}._21RLQh5PvUhC6vOKoFeHUP:before{content:"";margin-right:4px;color:#46d160}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{display:inline-block;word-break:break-word}._22W-auD0n8kTKDVe0vWuyK{font-weight:500}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{font-size:12px;line-height:16px}._244EzVTQLL3kMNnB03VmxK{font-weight:400;color:var(--newCommunityTheme-metaText)}._2xkErp6B3LSS13jtzdNJzO{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin-top:13px;margin-bottom:2px}._2xkErp6B3LSS13jtzdNJzO ._22W-auD0n8kTKDVe0vWuyK{font-size:12px;font-weight:400;line-height:16px;margin-right:4px;margin-left:4px;color:var(--newCommunityTheme-actionIcon)}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y{border-radius:4px;box-sizing:border-box;height:21px;width:21px}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(2),._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(3){margin-left:-9px} Too Short for those who Rejoice; ._2cHgYGbfV9EZMSThqLt2tx{margin-bottom:16px;border-radius:4px}._3Q7WCNdCi77r0_CKPoDSFY{width:75%;height:24px}._2wgLWvNKnhoJX3DUVT_3F-,._3Q7WCNdCi77r0_CKPoDSFY{background:var(--newCommunityTheme-field);background-size:200%;margin-bottom:16px;border-radius:4px}._2wgLWvNKnhoJX3DUVT_3F-{width:100%;height:46px} In conclusion, William Shakespeare did not create the poem under examination; instead, it was derived from Henry van Dykes work. Very long for those who lament Imagine if they were both moving by one each time. Henry van Dyke received credit, and the reference noted that the eternity version was read at Dianas funeral. flag. Lowest common multiple (LCM) of 1,2 and 5 must exist and thats where they meet. Companies : Warner Bros. Pictures Country : United States of America Language : English Genre : Action,. HankMeldrum 2 yr. ago Yeah that makes sense! (Verified with scans), Time is very slow for those who wait, That's true . Time is not. 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