D31131323221323223313231123313232113313232113313231323221211
  >>
   D3113132322132322331323112331323211331323211331323132322121
  <<
   D31131323221323223313231123313232113313232113313231323221213
  >>
 
 
 D31131323221323223313231123313232113313232113313231323221212
  >>