20

 0 1 1 0 1 1 1 2 1 1
 1 1 1 1 1 1 1 1 1 1
 1 0 1 2 1 0 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 0 0 1 1 1 1 1 1
 1 1 1 1 1 1 1 2 1 1
 1 1 1 0 1 1 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 1 0 0 2 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 0 1 1 1 1
 1 1 0 1 1 1 1 1 1 2
 1 1 1 2 0 1 0 1 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 0 2 1 1 1 0 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 1 1 0 0 1
 1 1 1 1 1 1 1 2 1 1
 1 1 1 1 1 1 1 1 0 0
 1 1 1 2 1 1 1 1 1 1
 1 1 1 1 0 1 1 1 1 1
 0 1 2 1 1 1 1 1 1 1
 1 1 1 1 0 2 1 1 1 1
 1 0 1 1 1 1 1 1 1 1
 1 2 1 1 1 1 1 1 1 1
 1 0 0 1 1 1 1 1 1 1
 1 0 1 1 1 1 1 1 2 1
 1 1 1 0 1 1 1 1 1 1
 1 1 2 1 1 1 1 1 1 1
 1 1 1 0 0 1 1 1 1 1
 1 1 2 1 1 1 1 1 1 1
 1 1 1 1 1 0 1 1 1 0
 1 1 1 0 1 1 1 1 2 1
 1 1 1 1 1 1 0 1 1 1
 1 1 1 1 1 0 1 2 1 1
 1 1 1 1 1 1 1 0 1 1
 1 1 1 1 1 1 2 1 1 1
 0 1 1 1 1 1 1 1 0 1
 1 1 1 1 1 1 1 1 1 1
 1 1 0 1 1 1 1 2 1 0

 0 6 12 9 19 9 18 12 6 4
 12 4 15 7 12 10 4 9 15 13
 6 0 9 5 6 7 8 9 5 3
 6 7 11 5 11 10 11 8 11 13
 12 9 0 14 14 19 11 8 18 14
 10 9 15 12 15 12 3 18 14 3
 9 5 14 0 12 15 10 3 12 7
 13 18 1 3 13 15 11 11 14 12
 19 6 14 12 0 19 9 10 4 18
 5 10 10 6 8 9 10 8 10 16
 9 7 19 15 19 0 8 11 1 15
 7 9 8 8 13 8 12 8 12 5
 18 8 11 10 9 8 0 3 10 9
 5 18 8 12 6 8 14 11 15 7
 12 9 8 3 10 11 3 0 18 15
 13 3 12 12 11 7 12 4 7 13
 6 5 18 12 4 1 10 18 0 14
 10 11 9 13 12 13 19 1 13 12
 4 3 14 7 18 15 9 15 14 0
 11 9 10 11 11 7 8 9 7 5
 12 6 10 13 5 7 5 13 10 11
 0 8 11 16 9 11 14 13 7 10
 4 7 9 18 10 9 18 3 11 9
 8 0 4 11 15 11 12 13 4 16
 15 11 15 1 10 8 8 12 9 10
 11 4 0 15 7 11 10 13 10 12
 7 5 12 3 6 8 12 12 13 11
 16 11 15 0 8 6 15 15 10 13
 12 11 15 13 8 13 6 11 12 11
 9 15 7 8 0 15 8 17 8 9
 10 10 12 15 9 8 8 7 13 7
 11 11 11 6 15 0 14 12 13 15
 4 11 3 11 10 12 14 12 19 8
 14 12 10 15 8 14 0 12 14 13
 9 8 18 11 8 8 11 4 1 9
 13 13 13 15 17 12 12 0 11 7
 15 11 14 14 10 12 15 7 13 7
 7 4 10 10 8 13 14 11 0 8
 13 13 3 12 16 5 7 13 12 5
 10 16 12 13 9 15 13 7 8 0