C3132121111133313233121111331333133313331333133313331333132313331323123231211   >>    C313212111113331323312111133133313331333133313331333133313231333132312323121   <<    C3132121111133313233121111331333133313331333133313331333132313331323123231213   >>      C3132121111133313233121111331333133313331333133313331333132313331323123231212   >>