a12r b12rf c12rff d12r e12rf

zr3rf 0r3rff 1r3r 2r3rf 3r3rff

oi4rff pi4r qi4rf ri4rff si4r

d94r e94rf f94rff g94r h94rf

2z5rf 3z5rff 4z5r 5z5rf 6z5rff