C313212111113331323312111133133313331333133313331333113312121
  >>
   C31321211111333132331211113313331333133313331333133311331212
  <<
   C313212111113331323312111133133313331333133313331333113312123
  >>
 
 
 C313212111113331323312111133133313331333133313331333113312122
  >>