50
5 2 3 4 5 6
0
0
0
0
5 7 8 9 10 11
0
0
0
0
5 12 13 14 15 16
0
0
0
0
5 17 18 19 20 21
0
0
0
0
5 22 23 24 25 26
0
0
0
0
5 27 28 29 30 31
0
0
0
0
5 32 33 34 35 36
0
0
0
0
5 37 38 39 40 41
0
0
0
0
5 42 43 44 45 46
0
0
0
0
0
0
0
0
0
