C3132121111133313233121111331333133313331333133313331333133313233211111221   >>    C313212111113331323312111133133313331333133313331333133313331323321111122   <<    C3132121111133313233121111331333133313331333133313331333133313233211111223   >>      C3132121111133313233121111331333133313331333133313331333133313233211111222   >>