C11111211113313112113313331333133313331333132332111133133313331333112113121   >>    C1111121111331311211331333133313331333133313233211113313331333133311211312   <<    C11111211113313112113313331333133313331333132332111133133313331333112113123   >>      C11111211113313112113313331333133313331333132332111133133313331333112113122   >>