["i6-i9","i15-i12","i9-i10","e15-h12","h3-h10","m15-j12","h9-o9","j11-i11","o9-o13","s15-q13","n14-o13","i11-h11","p12-p16","r18-r8","n6-p8","s8-r8","r3-r6"]