bu7q3 au7q 9t7q3t 8t7q3 7t7q
m36q l36q3t k36q3 j36q i36q3t
xc6q3t wc6q3 vc6q uc6q3t tc6q3
8l5q3 7l5q 6l5q3t 5l5q3 4l5q
jv4q iv4q3t hv4q3 gv4q fv4q3t