C3132121111133313233121111331333133313331333133313331333133313321111   >>    C313212111113331323312111133133313331333133313331333133313331332111   <<    C3132121111133313233121111331333133313331333133313331333133313321113   >>      C3132121111133313233121111331333133313331333133313331333133313321112   >>