C3132121111133313233121111331333133313331333132332131211
  >>
   C313212111113331323312111133133313331333133313233213121
  <<
   C3132121111133313233121111331333133313331333132332131213
  >>
 
 
 C3132121111133313233121111331333133313331333132332131212
  >>