C111123313121111121111331333133313331323231333133313331333133112111112312122321   >>    C11112331312111112111133133313331333132323133313331333133313311211111231212232   <<    C111123313121111121111331333133313331323231333133313331333133112111112312122323   >>      C111123313121111121111331333133313331323231333133313331333133112111112312122322   >>