nf9sh mf9s lf9shj kf9sh jf9s
yo8s xo8shj wo8sh vo8s uo8shj
9x7shj 8x7sh 7x7s 6x7shj 5x7sh
k76sh j76s i76shj h76sh g76s
vg6s ug6shj tg6sh sg6s rg6shj