C22221232322331313231323132323132323132313232233132313112323131   >>    C2222123232233131323132313232313232313231323223313231311232313   <<    C22221232322331313231323132323132323132313232233132313112323133   >>      C22221232322331313231323132323132323132313232233132313112323132   >>