C11111333133313232233133313331333133313231333133313331123313121113331312131
  >>
   C1111133313331323223313331333133313331323133313331333112331312111333131213
  <<
   C11111333133313232233133313331333133313231333133313331123313121113331312133
  >>
 
 
 C11111333133313232233133313331333133313231333133313331123313121113331312132
  >>