C1111233133313231133133313331333133313231323331311331323132313331333322121   >>    C111123313331323113313331333133313331323132333131133132313231333133332212   <<    C1111233133313231133133313331333133313231323331311331323132313331333322123   >>      C1111233133313231133133313331333133313231323331311331323132313331333322122   >>