C1111233131211111211113313331333133313331333133313331333133313113313112231131   >>    C111123313121111121111331333133313331333133313331333133313331311331311223113   <<    C1111233131211111211113313331333133313331333133313331333133313113313112231133   >>      C1111233131211111211113313331333133313331333133313331333133313113313112231132   >>