C3132121111133313233121111331333133313331333133313331333133313332123313111   >>    C313212111113331323312111133133313331333133313331333133313331333212331311   <<    C3132121111133313233121111331333133313331333133313331333133313332123313113   >>      C3132121111133313233121111331333133313331333133313331333133313332123313112   >>