0,0,180,16:
16,3,24,11:crop
0,0,1,1:
0,7,1,8:
7,7,8,8:
7,0,8,1:
0,1,1,2:
1,0,2,1:
0,6,1,7:
1,7,2,8:
6,7,7,8:
7,6,8,7:
7,1,8,2:
6,0,7,1: