C1111233131211111211113313331333133313331333133313331333121111331323322131121   >>    C111123313121111121111331333133313331333133313331333133312111133132332213112   <<    C1111233131211111211113313331333133313331333133313331333121111331323322131123   >>      C1111233131211111211113313331333133313331333133313331333121111331323322131122   >>