C11231323321111331312111133133313331323223313231321123221
  >>
   C1123132332111133131211113313331333132322331323132112322
  <<
   C11231323321111331312111133133313331323223313231321123223
  >>
 
 
 C11231323321111331312111133133313331323223313231321123222
  >>