TFRXO4PWML632XVMXGALPHGYYXI6AM32K6JIZFABAINI6G45TRWQC
GACNGS44Q6373XVGENKVG7H3ZO57MN3ZK6JL2TWE5YKIN67BK6VQC
3LU2TYSWNQ54STN7EBBIRYM5NR4XWPX2SUV337G7NJCUPXIG67GQC
LRDM35CEK3OHXOTB7TEFJRL7P6PQWO5ZG3F2BVA7DIDFHBPJQ7KAC
if numeric_prefix and tonumber(numeric_prefix) > 0 then -- skip 0000
if numeric_prefix and not numeric_prefix:match('^0+$') then