C3132121111331312113313331333133313331333132313331333133313331333112111223131   >>    C313212111133131211331333133313331333133313231333133313331333133311211122313   <<    C3132121111331312113313331333133313331333132313331333133313331333112111223133   >>      C3132121111331312113313331333133313331333132313331333133313331333112111223132   >>