u2ubta v2ub w2ubt x2ubta y2ub

jtvb ktvbt ltvbta mtvb ntvbt

8jwbt 9jwbta akwb bkwbt ckwbta

xaxbta yaxb zaxbt 0axbta 1axb

m1xb n1xbt o1xbta p1xb q1xbt