D233123313113313132313231311112331323221323223313232233133112323321   >>    D23312331311331313231323131111233132322132322331323223313311232332   <<    D233123313113313132313231311112331323221323223313232233133112323323   >>      D233123313113313132313231311112331323221323223313232233133112323322   >>