C313212111113331323312111133133313331333133313232211312121
  >>
   C31321211111333132331211113313331333133313331323221131212
  <<
   C313212111113331323312111133133313331333133313232211312123
  >>
 
 
 C313212111113331323312111133133313331333133313232211312122
  >>