p min 30 50
n 1 6
n 2 14
n 29 -7
n 30 -13
a 1 24 0 20 4
a 3 14 0 6 3
a 3 29 0 6 9
a 8 19 0 20 10
a 9 28 0 20 7
a 14 16 0 6 4
a 16 27 0 20 4
a 17 8 0 6 7
a 19 25 0 6 10
a 20 17 0 6 6
a 20 26 0 20 6
a 22 3 0 20 10
a 22 7 0 20 8
a 22 29 0 20 3
a 24 26 0 20 8
a 25 22 0 6 9
a 25 27 0 20 9
a 26 9 0 20 5
a 26 13 0 20 4
a 27 30 0 20 10
a 27 19 0 2 6
a 28 20 0 6 3
a 28 23 0 8 3
a 28 14 0 20 5
a 2 13 0 14 8
a 4 12 0 14 4
a 4 21 0 1 10
a 5 15 0 14 10
a 5 22 0 20 5
a 6 29 0 20 5
a 6 10 0 20 10
a 7 11 0 20 10
a 7 27 0 0 3
a 10 21 0 20 6
a 10 16 0 6 6
a 11 6 0 20 7
a 11 21 0 9 4
a 11 30 0 20 4
a 12 18 0 20 5
a 13 23 0 20 4
a 13 11 0 20 8
a 15 30 0 20 10
a 15 16 0 8 6
a 18 5 0 14 10
a 18 14 0 20 4
a 18 8 0 10 4
a 21 4 0 14 7
a 23 7 0 14 10
a 23 26 0 20 10
a 23 21 0 0 4