Resolved Design No 1 Group Size 342 33284052 0FED23D1
Group generators
Treatments are numbered first (invariants LAST therein), then blocks, then sub-blocks, if applicable, then replicates, if applicable
[[1,2,4,8,16,13,7,14,9,18,17,15,11,3,6,12,5,10],[19,50,33,40,51,38,47,30,31,36,43,22,53,42,55,46,25,24],[20,49,34,39,52,37,48,29,32,35,44,21,54,41,56,45,26,23],[27,28],[57,72,64,67,73,66,71,62,63,65,69,58,74,68,75,70,60,59]],
[[0,1],[2,18],[3,17],[4,16],[5,15],[6,14],[7,13],[8,12],[9,11],[19,38],[20,37],[21,36],[22,35],[23,34],[24,33],[25,32],[26,31],[27,30],[28,29],[39,56],[40,55],[41,54],[42,53],[43,52],[44,51],[45,50],[46,49],[47,48],[57,66],[58,65],[59,64],[60,63],[61,62],[67,75],[68,74],[69,73],[70,72]]
Block Intersection Formula 
{(0)^1 (4)^27 (5)^9 (9)^1 }^38 
Initial Blocks, modulo 19:
0 1 2 3 5 7 12 13 16 
4 6 8 9 10 11 14 17 18