C3123223313331322121111331311331333133313331323132313332211
  >>
   C312322331333132212111133131133133313331333132313231333221
  <<
   C3123223313331322121111331311331333133313331323132313332213
  >>
 
 
 C3123223313331322121111331311331333133313331323132313332212
  >>