C111112111133131121133133313331333133313331323133112111133133313331333112313231   >>    C11111211113313112113313331333133313331333132313311211113313331333133311231323   <<    C111112111133131121133133313331333133313331323133112111133133313331333112313233   >>      C111112111133131121133133313331333133313331323133112111133133313331333112313232   >>