50a2s 40a2 30a2sq 20a2s 10a2

gaa2 faa2sq eaa2s daa2 caa2sq

rj91sq qj91s pj91 oj91sq nj91s

2s81s 1s81 0s81sq zs81s ys81

d271 c271sq b271s a271 9171sq