yr2x zr2x2 0r2x2t 1r2x 2r2x2

ni3x2 oi3x2t pi3x qi3x2 ri3x2t

c93x2t d93x e93x2 f93x2t g93x

1z4x 2z4x2 3z4x2t 4z4x 5z4x2

qq5x2 rq5x2t sq5x tq5x2 uq5x2t