C2122121212132322331313132313232233132333132312113313231323331121   >>    C212212121213232233131313231323223313233313231211331323132333112   <<    C2122121212132322331313132313232233132333132312113313231323331123   >>      C2122121212132322331313132313232233132333132312113313231323331122   >>