02r1dd z2r1d y2r1 x2r1dd w2r1d
bcr1d acr1 9br1dd 8br1d 7br1
mlq1 llq1dd klq1d jlq1 ilq1dd
xup1dd wup1d vup1 uup1dd tup1d
83o1d 73o1 63o1dd 53o1d 43o1