C1111121111331311211331333133313113313331333133313221211111213321   >>    C111112111133131121133133313331311331333133313331322121111121332   <<    C1111121111331311211331333133313113313331333133313221211111213323   >>      C1111121111331311211331333133313113313331333133313221211111213322   >>