C233231213113313132313231311112331323221323223313232233133112112311   >>    C23323121311331313231323131111233132322132322331323223313311211231   <<    C233231213113313132313231311112331323221323223313232233133112112313   >>      C233231213113313132313231311112331323221323223313232233133112112312   >>