C111123313121111121111331333133313331322121111331333133313331323221231231   >>    C11112331312111112111133133313331333132212111133133313331333132322123123   <<    C111123313121111121111331333133313331322121111331333133313331323221231233   >>      C111123313121111121111331333133313331322121111331333133313331323221231232   >>