C111112111133131121133133313331333132311211312111133133313331322331311212111   >>    C11111211113313112113313331333133313231121131211113313331333132233131121211   <<    C111112111133131121133133313331333132311211312111133133313331322331311212113   >>      C111112111133131121133133313331333132311211312111133133313331322331311212112   >>