C1111121111331311211331333133313331333133313221211113313331333132313221111   >>    C111112111133131121133133313331333133313331322121111331333133313231322111   <<    C1111121111331311211331333133313331333133313221211113313331333132313221113   >>      C1111121111331311211331333133313331333133313221211113313331333132313221112   >>