C2212133313231331121111331333133313223313113313331333131211111121132211   >>    C221213331323133112111133133313331322331311331333133313121111112113221   <<    C2212133313231331121111331333133313223313113313331333131211111121132213   >>      C2212133313231331121111331333133313223313113313331333131211111121132212   >>