C1111121111331311211331333133313331333133313231333133313331333133313122112331   >>    C111112111133131121133133313331333133313331323133313331333133313331312211233   <<    C1111121111331311211331333133313331333133313231333133313331333133313122112333   >>      C1111121111331311211331333133313331333133313231333133313331333133313122112332   >>