C111123313121111121111331333133313331333133313331122112111113331333131231   >>    C11112331312111112111133133313331333133313331333112211211111333133313123   <<    C111123313121111121111331333133313331333133313331122112111113331333131233   >>      C111123313121111121111331333133313331333133313331122112111113331333131232   >>