-1 2 ereu
1 2 rerer
2 2 rere
3 2 eee
3 2 wwwe
9 2 qqewew
9 2 vvvgf
-1 2 wwwew
4 3 wwew
-9 3 wwss
6 3 jjuu
7 3 kkii
7 3 ggtyu
8 3 ffder
1 4 rrtrr
1 4 rree