SolveExample $2$: Rank Order Clustering

Find out part families and group the machines into cells.

$\backslash$table$[[$PARTS$,$MACHINES$],[$P$1,$M$3,$M$4],[$P$2,$M$1,$M$2],[$P$3,$M$3,$M$4],[$P$4,$M$1,$M$2],[$P$5,$M$3,$M$4],[$P$6,$M$1,$M$2]]$