C1111233133313231133133313231333132313331313231323132313232233132311111   >>    C111123313331323113313331323133313231333131323132313231323223313231111   <<    C1111233133313231133133313231333132313331313231323132313232233132311113   >>      C1111233133313231133133313231333132313331313231323132313232233132311112   >>