t0w1t u0w1t1 v0w1 w0w1t x0w1t1
irx1t1 jrx1 krx1t lrx1t1 mrx1
7hy1 8hy1t 9hy1t1 aiy1 biy1t
w8y1t x8y1t1 y8y1 z8y1t 08y1t1
lzz1t1 mzz1 nzz1t ozz1t1 pzz1