2 6 7 12 16 13 15 20 20 25 2
2 9 12 17 21 24 27 34 36 40 3
2 12 15 24 25 34 33 47 50 53 4
1 11 12 20 21 -7 -7 -9 -11 -11 5
0 10 9 17 17 -12 -13 -16 -20 -21 6
