C(38,20,2) = 6

Created by: LJCR

Method of Construction: Multiple of (19,10,2) covering

Lower Bound: Bounds for fixed number of blocks

  1  2  3  4  5  6  7  8  9 10 20 21 22 23 24 25 26 27 28 29
  1  2  3  4  8  9 10 17 18 19 20 21 22 23 27 28 29 36 37 38
  1 11 12 13 14 15 16 17 18 19 20 30 31 32 33 34 35 36 37 38
  2  3  4  5  6  7 16 17 18 19 21 22 23 24 25 26 35 36 37 38
  2  3  4  5  6 11 12 13 14 15 21 22 23 24 25 30 31 32 33 34
  7  8  9 10 11 12 13 14 15 16 26 27 28 29 30 31 32 33 34 35