9s9bx2 8s9bx 7s9b 6s9bx2 5s9bx
k28bx j28b i28bx2 h28bx g28b
vb8b ub8bx2 tb8bx sb8b rb8bx2
6k7bx2 5k7bx 4k7b 3k7bx2 2k7bx
hu6bx gu6b fu6bx2 eu6bx du6b