Design No 1 Group Size 144 B668BDF8 D1AC0380
Group generators (treatments are numbered 00...00, 00...01,...,00...10,...,11...11)
Treatments are numbered first (invariants LAST therein), then blocks, then sub-blocks, if applicable, then replicates, if applicable
[[3,6],[4,7],[5,8],[9,15],[10,16],[11,17],[21,24],[22,25],[23,26]],
[[1,2],[4,5],[7,8],[9,11],[12,14],[15,17],[18,20],[21,23],[24,26]],
[[1,3],[2,6],[5,7],[10,12],[11,15],[14,16],[18,25],[20,22],[21,26]],
[[1,4,6,7,2,8,3,5],[9,22,15,20,17,25,11,18],[10,26,12,24,16,21,14,23],[13,19]],
[[0,1],[3,4],[6,7],[10,11],[13,14],[16,17],[19,20],[22,23],[25,26]]
Block Intersection Formula 
{(0)^1 (1)^4 (2)^12 (4)^1 }^18 
Initial Blocks, modulo 3^2:
00 01 10 11 
00 01 12 22