20
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-6 -14 -23 -32 -39 -42 -40 -33 -24 -15 -8 0 9 18 25 28 26 19 10 1
0 -8 -17 -27 -33 -35 -33 -26 -17 -8 0 8 17 26 33 35 33 26 17 7
8 0 -9 -18 -25 -28 -26 -19 -10 -1 6 14 23 32 39 42 40 33 24 15
17 10 1 -8 -16 -20 -19 -14 -6 3 9 18 27 36 43 47 45 39 31 23
26 20 13 3 -6 -12 -14 -11 -5 2 10 17 26 36 43 47 47 43 37 31
33 29 23 14 4 -5 -10 -10 -7 -1 6 13 22 31 39 43 45 43 39 36
35 35 30 22 11 0 -8 -12 -11 -7 0 7 15 24 31 35 38 38 37 36
32 34 32 25 14 2 -8 -14 -16 -12 -6 1 9 15 21 25 27 28 29 30
26 30 29 24 14 2 -9 -16 -19 -16 -10 -3 3 8 12 14 15 16 18 21
17 21 24 20 12 1 -9 -16 -19 -16 -10 -3 2 5 6 5 5 5 7 11
8 14 17 15 9 0 -8 -14 -16 -13 -6 0 4 6 4 1 -2 -4 -3 1
