C111112111133131121133133313331333133313331323221211111211113313331333131212321   >>    C11111211113313112113313331333133313331333132322121111121111331333133313121232   <<    C111112111133131121133133313331333133313331323221211111211113313331333131212323   >>      C111112111133131121133133313331333133313331323221211111211113313331333131212322   >>