C111123313121111121111331333133313331323232133112111113112122311   >>    C11112331312111112111133133313331333132323213311211111311212231   <<    C111123313121111121111331333133313331323232133112111113112122313   >>      C111123313121111121111331333133313331323232133112111113112122312   >>