C3132121111133313233121111331333133313331333133313331333132313232233132333311   >>    C313212111113331323312111133133313331333133313331333133313231323223313233331   <<    C3132121111133313233121111331333133313331333133313331333132313232233132333313   >>      C3132121111133313233121111331333133313331333133313331333132313232233132333312   >>