C111112111133131121133133313112113313331333133313331333132221311   >>    C11111211113313112113313331311211331333133313331333133313222131   <<    C111112111133131121133133313112113313331333133313331333132221313   >>      C111112111133131121133133313112113313331333133313331333132221312   >>