md1r nd1r2 od1r2a pd1r qd1r2

b41r2 c41r2a d41r e41r2 f41r2a

0u2r2a 1u2r 2u2r2 3u2r2a 4u2r

pl3r ql3r2 rl3r2a sl3r tl3r2

ec4r2 fc4r2a gc4r hc4r2 ic4r2a