C111123313121111121111331333133313331331121133133313331323312121   >>    C11112331312111112111133133313331333133112113313331333132331212   <<    C111123313121111121111331333133313331331121133133313331323312123   >>      C111123313121111121111331333133313331331121133133313331323312122   >>