C111112111133131121133133313331333132313113313331333112322123223311   >>    C11111211113313112113313331333133313231311331333133311232212322331   <<    C111112111133131121133133313331333132313113313331333112322123223313   >>      C111112111133131121133133313331333132313113313331333112322123223312   >>