loop
20000
SELECT count() FROM numbers(1000000) WHERE NOT ignore(MACNumToString(number))
SELECT count() FROM numbers(1000000) WHERE NOT ignore(MACStringToNum(MACNumToString(number)))
SELECT count() FROM numbers_mt(10000000) WHERE NOT ignore(MACNumToString(rand64()))
SELECT count() FROM numbers_mt(10000000) WHERE NOT ignore(MACStringToNum(MACNumToString(rand64())))