C111112111133131121133133313331333133313121111332233133313112131   >>    C11111211113313112113313331333133313331312111133223313331311213   <<    C111112111133131121133133313331333133313121111332233133313112133   >>      C111112111133131121133133313331333133313121111332233133313112132   >>