C11111333133313232233133313331333132313331323321313331333132322121111333221211
  >>
   C1111133313331323223313331333133313231333132332131333133313232212111133322121
  <<
   C11111333133313232233133313331333132313331323321313331333132322121111333221213
  >>
 
 
 C11111333133313232233133313331333132313331323321313331333132322121111333221212
  >>