C11111333133313232233133313331333131133133311331323133312121
  >>
   C1111133313331323223313331333133313113313331133132313331212
  <<
   C11111333133313232233133313331333131133133311331323133312123
  >>
 
 
 C11111333133313232233133313331333131133133311331323133312122
  >>