You are playing the Regex Pattern Matcher game against claude 3.7 sonnet (high2).

Game history:
Turn 1: claude 3.7 sonnet (high2) proposed text with target items: ["SEC-XFG:2023-10-05:R35782DC","SEC-LPQ:2023-10-04:T91267HJ","SEC-MNR:2023-10-03:G28340KL","SEC-DFT:2023-10-02:A12453PQ","SEC-XYZ:2023-10-01:E89021RS","DETECT[192.168.1.1][2023-10-05T14:30:25Z][PORT_SCAN][3]","DETECT[10.0.0.15][2023-10-04T09:15:42Z][BRUTE_FORCE][17]","DETECT[172.16.254.1][2023-10-03T23:55:10Z][MALWARE][5]","DETECT[8.8.8.8][2023-10-02T18:22:33Z][SQL_INJECT][12]","DETECT[203.0.113.42][2023-10-01T07:45:11Z][XSS_ATTACK][8]"]
Mistral Nemo (12B) provided pattern: solve (SUCCESS)

Current turn: 2 of 10
You are the PROPOSER.

Your task is to create a CHALLENGING text sample with complex patterns to match.
Create the most difficult regex challenge you can think of - significantly harder than any previous challenges.

Guidelines for creating a DIFFICULT challenge:
1. Use complex patterns that require advanced regex te... (truncated)