C1111233131211111211113313331333133313331333133313331333133313113313321211231   >>    C111123313121111121111331333133313331333133313331333133313331311331332121123   <<    C1111233131211111211113313331333133313331333133313331333133313113313321211233   >>      C1111233131211111211113313331333133313331333133313331333133313113313321211232   >>