C232212111133133312331333133313121111121111133313223311211
  >>
   C23221211113313331233133313331312111112111113331322331121
  <<
   C232212111133133312331333133313121111121111133313223311213
  >>
 
 
 C232212111133133312331333133313121111121111133313223311212
  >>