D23312331311331313231323131111233132322132322331323223313311232313231   >>    D2331233131133131323132313111123313232213232233132322331331123231323   <<    D23312331311331313231323131111233132322132322331323223313311232313233   >>      D23312331311331313231323131111233132322132322331323223313311232313232   >>