5152
23456 M s2/s3 B W H ----- ----------------- 42356 - - - - 46532 x 34256 x - 56234 - x - - 26354 - - - 32654 - - - - 63254 - - - - ----- ----------------- 64523 x | 23564 - x - - |A 3 part. Substitute for A in two parts: 63254 M s2/s3 B W H ----- ----------------- 23564 - - - s = 1256.