C1111121111331311211331333133313331333133313231333133313331333121111332223331   >>    C111112111133131121133133313331333133313331323133313331333133312111133222333   <<    C1111121111331311211331333133313331333133313231333133313331333121111332223333   >>      C1111121111331311211331333133313331333133313231333133313331333121111332223332   >>