I 7 10
(10) 2x3.5
0 0 3.5 2
3.5 0 3.5 2
0 2 3.5 2
3.5 2 3.5 2
0 4 3.5 2
3.5 4 3.5 2
0 6 3.5 2
3.5 6 3.5 2
0 8 3.5 2
3.5 8 3.5 2