C1111233133313231133133313231333132313331313231323132313232233132211   >>    C111123313331323113313331323133313231333131323132313231323223313221   <<    C1111233133313231133133313231333132313331313231323132313232233132213   >>      C1111233133313231133133313231333132313331313231323132313232233132212   >>