["b6-e9","h15-j13","i6-i9","m15-l14","s6-p9","i18-h18","h9-j11","h18-h5","h2-h3","h6-j6","i3-i4","i7-i6","i3-i4","k14-k13","m7-l7","c15-c12","l3-l4","r15-r12","i4-i7","r18-r13","n9-q12","n15-q12","l4-j2"]