Replace the six PCC by lines by only three and the last is also a catch-all.:
2/1 catches three of six
3/1 catches two of six
-/- catches all (one of six). No PCC needed in that line
Replace the six PCC by lines by only three and the last is also a catch-all.:
2/1 catches three of six
3/1 catches two of six
-/- catches all (one of six). No PCC needed in that line