lb6d1j kb6d1 jb6d ib6d1j hb6d1
wk5d1 vk5d uk5d1j tk5d1 sk5d
7t4d 6t4d1j 5t4d1 4t4d 3t4d1j
i33d1j h33d1 g33d f33d1j e33d1
tc3d1 sc3d rc3d1j qc3d1 pc3d