C11112331312111112111133133313331333133313331333133313331333133313221122131   >>    C1111233131211111211113313331333133313331333133313331333133313331322112213   <<    C11112331312111112111133133313331333133313331333133313331333133313221122133   >>      C11112331312111112111133133313331333133313331333133313331333133313221122132   >>