t112p s112 r112pi q112p p112
4a12 3a12pi 2a12p 1a12 0a12pi
fk02pi ek02p dk02 ck02pi bk02p
qtz2p ptz2 otz2pi ntz2p mtz2
12y2 02y2pi z2y2p y2y2 x2y2pi