C11111211113313112113313331333132313331322113121111331311331333132222122331   >>    C1111121111331311211331333133313231333132211312111133131133133313222212233   <<    C11111211113313112113313331333132313331322113121111331311331333132222122333   >>      C11111211113313112113313331333132313331322113121111331311331333132222122332   >>