y3o6 z3o6a 03o6aa 13o6 23o6a
nup6a oup6aa pup6 qup6a rup6aa
clq6aa dlq6 elq6a flq6aa glq6
1br6 2br6a 3br6aa 4br6 5br6a
q2r6a r2r6aa s2r6 t2r6a u2r6aa