D233123313113313132313231311112331323221323223313232233133112323132333231   >>    D23312331311331313231323131111233132322132322331323223313311232313233323   <<    D233123313113313132313231311112331323221323223313232233133112323132333233   >>      D233123313113313132313231311112331323221323223313232233133112323132333232   >>