C1111121111331311211331333133313331333133313231333133313232323331   >>    C111112111133131121133133313331333133313331323133313331323232333   <<    C1111121111331311211331333133313331333133313231333133313232323333   >>      C1111121111331311211331333133313331333133313231333133313232323332   >>