C3132121111133313233121111331333133313331333133313331333132332131221   >>    C313212111113331323312111133133313331333133313331333133313233213122   <<    C3132121111133313233121111331333133313331333133313331333132332131223   >>      C3132121111133313233121111331333133313331333133313331333132332131222   >>