C3132121111133313233121111331333133313331333133313331331121111331333223311   >>    C313212111113331323312111133133313331333133313331333133112111133133322331   <<    C3132121111133313233121111331333133313331333133313331331121111331333223313   >>      C3132121111133313233121111331333133313331333133313331331121111331333223312   >>