o6bx13 p6bx q6bx1 r6bx13 s6bx

dxcx excx1 fxcx13 gxcx hxcx1

2ndx1 3ndx13 4ndx 5ndx1 6ndx13

reex13 seex teex1 ueex13 veex

g5ex h5ex1 i5ex13 j5ex k5ex1