Tiles
1
1
0
0
0
0
2
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
1
0
0
2
1
0
0
1
1
0
0
0
0
2
1
1
0
0
1
0
0
0
0
0
0
1
0
1
3
2
2
0
0
0
1
0
0
2
0
0
0
0
0
0
0
0
0
2
0
0