C1111233133313231133133313331333133313231323113313232233132313231221   >>    C111123313331323113313331333133313331323132311331323223313231323122   <<    C1111233133313231133133313331333133313231323113313232233132313231223   >>      C1111233133313231133133313331333133313231323113313232233132313231222   >>