D1212121221323132313232332313232233131133131323223313231313231323331   >>    D121212122132313231323233231323223313113313132322331323131323132333   <<    D1212121221323132313232332313232233131133131323223313231313231323333   >>      D1212121221323132313232332313232233131133131323223313231313231323332   >>