C1111233133313231133133313331333133313231323331311331323222222331   >>    C111123313331323113313331333133313331323132333131133132322222233   <<    C1111233133313231133133313331333133313231323331311331323222222333   >>      C1111233133313231133133313331333133313231323331311331323222222332   >>