i 11 17
11X17 (2)5x7 (6)3x3.5 (8)2x2.5
;
0.5    0    5    7
5.5    0    5    7
;
0      7  3.5    3
3.5    7  3.5    3
7      7  3.5    3
0     10  3.5    3
3.5   10  3.5    3
7     10  3.5    3
;
0     13  2.5    2
2.5   13  2.5    2
5     13  2.5    2
7.5   13  2.5    2
0     15  2.5    2
2.5   15  2.5    2
5     15  2.5    2
7.5   15  2.5    2