C3132121111133313233121111331333133313331333133313331323311331323311   >>    C313212111113331323312111133133313331333133313331333132331133132331   <<    C3132121111133313233121111331333133313331333133313331323311331323313   >>      C3132121111133313233121111331333133313331333133313331323311331323312   >>