C1232211222331313331322331313132313231323223313113313233313231111   >>    C123221122233131333132233131313231323132322331311331323331323111   <<    C1232211222331313331322331313132313231323223313113313233313231113   >>      C1232211222331313331322331313132313231323223313113313233313231112   >>