5120
23456 M s2/s3 B W H ----- ----------------- 64523 - x - | 42635 - |A 42356 - - | 34256 - - - - | ----- ----------------- 24536 - - - 24365 - - 32465 - - - - 43265 - - - - 23645 - - - 3 part. Single = 1256. Substitute for A in one part: 23456 M s2/s3 B W H ----- ----------------- 42356 - - - - 46532 x 34256 x -