3
3 2
u need to think

wa 10

output for "3 3 2":

1 1 2 2 8 8 6 6
1 5 5 2 8 10 10 6
3 0 5 4 9 9 10 7
3 3 4 4 21 9 7 7
12 12 14 21 21 19 18 18
12 15 14 14 19 19 20 18
11 15 15 13 17 20 20 16
11 11 13 13 17 17 16 16

no overflow, checked all cases for n \in {1, 2, 3}