dn1r en1r5 fn1r57 gn1r hn1r5

2d2r5 3d2r57 4d2r 5d2r5 6d2r57

r42r57 s42r t42r5 u42r57 v42r

gv3r hv3r5 iv3r57 jv3r kv3r5

5l4r5 6l4r57 7l4r 8l4r5 9l4r57