C11111333133313232233133313331333131133132322221313231311
  >>
   C1111133313331323223313331333133313113313232222131323131
  <<
   C11111333133313232233133313331333131133132322221313231313
  >>
 
 
 C11111333133313232233133313331333131133132322221313231312
  >>