61p7rb 51p7r 41p7 31p7rb 21p7r
hbp7r gbp7 fbp7rb ebp7r dbp7
sko7 rko7rb qko7r pko7 oko7rb
3tn7rb 2tn7r 1tn7 0tn7rb ztn7r
e3m7r d3m7 c3m7rb b3m7r a3m7