C1231321123223331211111131211113313331333132322131213222131213321   >>    C123132112322333121111113121111331333133313232213121322213121332   <<    C1231321123223331211111131211113313331333132322131213222131213323   >>      C1231321123223331211111131211113313331333132322131213222131213322   >>