71r0 61r0p7 51r0p 41r0 31r0p7
ibr0p7 hbr0p gbr0 fbr0p7 ebr0p
tkq0p skq0 rkq0p7 qkq0p pkq0
4tp0 3tp0p7 2tp0p 1tp0 0tp0p7
f3o0p7 e3o0p d3o0 c3o0p7 b3o0p