C23221211113313331233133313331312111112111133313331333133313223331333221   >>    C2322121111331333123313331333131211111211113331333133313331322333133322   <<    C23221211113313331233133313331312111112111133313331333133313223331333223   >>      C23221211113313331233133313331312111112111133313331333133313223331333222   >>