C111123313121111121111331333133313331323231333133313331333131121213332321   >>    C11112331312111112111133133313331333132323133313331333133313112121333232   <<    C111123313121111121111331333133313331323231333133313331333131121213332323   >>      C111123313121111121111331333133313331323231333133313331333131121213332322   >>