C1111233133313231133133313331333133313231323331311331323223312331   >>    C111123313331323113313331333133313331323132333131133132322331233   <<    C1111233133313231133133313331333133313231323331311331323223312333   >>      C1111233133313231133133313331333133313231323331311331323223312332   >>