C3132121111133313233121111331333133313331333133313331333133313331333132232111   >>    C313212111113331323312111133133313331333133313331333133313331333133313223211   <<    C3132121111133313233121111331333133313331333133313331333133313331333132232113   >>      C3132121111133313233121111331333133313331333133313331333133313331333132232112   >>