xlnp2g ylnp zlnp2 0lnp2g 1lnp
mcop ncop2 ocop2g pcop qcop2
b3op2 c3op2g d3op e3op2 f3op2g
0tpp2g 1tpp 2tpp2 3tpp2g 4tpp
pkqp qkqp2 rkqp2g skqp tkqp2