["e3-e5","i18-i16","e6-l13","i15-k15","p6-n8","p18-p15","s6-q8","p15-n15","r3-r13","r18-r15","c3-c5","b15-e12","f3-e4","e12-h9","i6-i7","c18-c8","j8-h8","c8-f8","f4-f5","f8-k8","l3-l6","k9-k8"]