C111123313121111121111331333133313331331121133133313331323313311   >>    C11112331312111112111133133313331333133112113313331333132331331   <<    C111123313121111121111331333133313331331121133133313331323313313   >>      C111123313121111121111331333133313331331121133133313331323313312   >>