C31211133313132313231323331313132313231313232233132333131122112323221131   >>    C3121113331313231323132333131313231323131323223313233313112211232322113   <<    C31211133313132313231323331313132313231313232233132333131122112323221133   >>      C31211133313132313231323331313132313231313232233132333131122112323221132   >>