"1. Largest tier (over 600 blocks): @admin and @ChristiJunior with 608 and 1358 blocks, respectively. 2. Medium tier (between 400-600 blocks): @rapebot with 470 blocks and @hachi with 429 blocks. 3. Least tier (under 400 blocks): All other users listed with less than 400 blocks each. Some notable mentions include @Rasterman with 279 blocks, @freesee with 273 blocks, and @ArdainianRight with 403 blocks."