C1231321123223331211111131211113313331333132313331333112233232123113133221   >>    C123132112322333121111113121111331333133313231333133311223323212311313322   <<    C1231321123223331211111131211113313331333132313331333112233232123113133223   >>      C1231321123223331211111131211113313331333132313331333112233232123113133222   >>