C1111233131211111211113313331333133313311211111133133313331323311331   >>    C111123313121111121111331333133313331331121111113313331333132331133   <<    C1111233131211111211113313331333133313311211111133133313331323311333   >>      C1111233131211111211113313331333133313311211111133133313331323311332   >>