C11112331312111112111133133313331333133313123313331331121322221   >>    C1111233131211111211113313331333133313331312331333133112132222   <<    C11112331312111112111133133313331333133313123313331331121322223   >>      C11112331312111112111133133313331333133313123313331331121322222   >>