M (COL)

M Oriented

UF

U'R'UR2U'R'URU'R'U

reduction by U'R'U

U'RUR'U'R2UR'U'R'U

reduction by U'RU

(R2)U2R2URU'RU2

UB

URU'R2'URU'R'URU'

reduction by URU'

UR'U'RUR2'U'RURU'

reduction by UR'U'

(R2)U2'R2U'R'UR'U2'

M Flipped

UF

UB