cross self
23.5  17.375
12    20.375
21    20
22    20
19.125 18.375
21.5 18.625
22.125 18.625
20.375 15.25
18.25  16.5
21.625 18
23.25 16.25
21 18
22.125 12.75
23  15.5
12  18