23456   W  s5/s4  M  H
-----   --------------
34256   -    x    -
42356   -    x    -
63254   -    x
32654   -    x    -
54632        x    -
26354        x
-----   --------------
52643   -    2       -  |
24653        x    -  -  |A
36524        x          |
23564   -               |

3 part. Substitute for A in one part:

26354   W  s5/s4  M  H
-----   --------------
53624        x    -
36524   -    x    -
23564   -