C111123313121111121111331333133313331323231333133313331333133222321321   >>    C11112331312111112111133133313331333132323133313331333133313322232132   <<    C111123313121111121111331333133313331323231333133313331333133222321323   >>      C111123313121111121111331333133313331323231333133313331333133222321322   >>