C111123313121111121111331333133313331323132333133313112222332321   >>    C11112331312111112111133133313331333132313233313331311222233232   <<    C111123313121111121111331333133313331323132333133313112222332323   >>      C111123313121111121111331333133313331323132333133313112222332322   >>