2d2bu 3d2bur 4d2b 5d2bu 6d2bur

r42bur s42b t42bu u42bur v42b

gv3b hv3bu iv3bur jv3b kv3bu

5l4bu 6l4bur 7l4b 8l4bu 9l4bur

uc5bur vc5b wc5bu xc5bur yc5b