0td1qw 1td1 2td1q 3td1qw 4td1
pke1 qke1q rke1qw ske1 tke1q
ebf1q fbf1qw gbf1 hbf1q ibf1qw
31f1qw 41f1 51f1q 61f1qw 71f1
ssg1 tsg1q usg1qw vsg1 wsg1q