C111113331333132322331333133313331311331333211112211232331
  >>
   C11111333133313232233133313331333131133133321111221123233
  <<
   C111113331333132322331333133313331311331333211112211232333
  >>
 
 
 C111113331333132322331333133313331311331333211112211232332
  >>