D331312312111323222332313231323132322132313232233132233132313232212131   >>    D33131231211132322233231323132313232213231323223313223313231323221213   <<    D331312312111323222332313231323132322132313232233132233132313232212133   >>      D331312312111323222332313231323132322132313232233132233132313232212132   >>