C1111233133313231133133313331333133313231323113313232233132313331   >>    C111123313331323113313331333133313331323132311331323223313231333   <<    C1111233133313231133133313331333133313231323113313232233132313333   >>      C1111233133313231133133313331333133313231323113313232233132313332   >>