these three faces are painted in full

![[Screenshot 2026-04-06 at 3.04.38 PM.png]]

each face should be only partially painted (facets: m→L→l→j→h→g→i→m | D→H→G→l→L→m→D | D→H→E→A→D | d→e→f→M→d | k→O→n→G→H→E→k | n→O→k→b→a→c→n)

1. mL, lL, kO, nO do not belong to ALPHA
2. d→e→f→M→d should be unpainted