C3132121111331312113313331333133313331333121111331333133313331333132322331231   >>    C313212111133131211331333133313331333133312111133133313331333133313232233123   <<    C3132121111331312113313331333133313331333121111331333133313331333132322331233   >>      C3132121111331312113313331333133313331333121111331333133313331333132322331232   >>