0ltb0t 1ltb 2ltb0 3ltb0t 4ltb

pcub qcub0 rcub0t scub tcub0

e3ub0 f3ub0t g3ub h3ub0 i3ub0t

3tvb0t 4tvb 5tvb0 6tvb0t 7tvb

skwb tkwb0 ukwb0t vkwb wkwb0