C111123313121111121111331333133313331323231333133313331333133112111113121133131   >>    C11112331312111112111133133313331333132323133313331333133313311211111312113313   <<    C111123313121111121111331333133313331323231333133313331333133112111113121133133   >>      C111123313121111121111331333133313331323231333133313331333133112111113121133132   >>