D23312331311331313231323131111233132322132322331323132321223321   >>    D2331233131133131323132313111123313232213232233132313232122332   <<    D23312331311331313231323131111233132322132322331323132321223323   >>      D23312331311331313231323131111233132322132322331323132321223322   >>