The very first communication task on CF was released nearly 2 months ago on November 3rd 2025, and the first communication task in a rated round was exactly a week later. And still, there is no "communication" tag like there is for interactive tasks. So here will be a list of all communications tasks ever made, sorted by time of release. Updated regularly.
2168A1 - Encode and Decode (Easy Version)
2168A2 - Encode and Decode (Hard Version)
