C111112111133131121133133313331323133313221131211113313232213233232131131   >>    C11111211113313112113313331333132313331322113121111331323221323323213113   <<    C111112111133131121133133313331323133313221131211113313232213233232131133   >>      C111112111133131121133133313331323133313221131211113313232213233232131132   >>