si1v ri1v2a qi1v2 pi1v oi1v2a

3r0v2a 2r0v2 1r0v 0r0v2a zr0v2

e1zv2 d1zv c1zv2a b1zv2 a1zv

pazv oazv2a nazv2 mazv lazv2a

0jyv2a zjyv2 yjyv xjyv2a wjyv2