C1231321123223331211111131211113313331333133313223223312213223332211   >>    C123132112322333121111113121111331333133313331322322331221322333221   <<    C1231321123223331211111131211113313331333133313223223312213223332213   >>      C1231321123223331211111131211113313331333133313223223312213223332212   >>