x4ofn8 w4ofn v4of u4ofn8 t4ofn
8dofn 7dof 6dofn8 5dofn 4dof
jnnf innfn8 hnnfn gnnf fnnfn8
uwmfn8 twmfn swmf rwmfn8 qwmfn
55lfn 45lf 35lfn8 25lfn 15lf