C11111211113313112113313331333133313331333132313331333133313121111112111322331   >>    C1111121111331311211331333133313331333133313231333133313331312111111211132233   <<    C11111211113313112113313331333133313331333132313331333133313121111112111322333   >>      C11111211113313112113313331333133313331333132313331333133313121111112111322332   >>