C(39,24,2) = 4

Created by: LJCR

Method of Construction: Multiple of (13,8,2) covering

Lower Bound: Schonheim

  1  2  3  4  5  6  7  8 14 15 16 17 18 19 20 21 27 28 29 30 31 32 33 34
  1  2  3  9 10 11 12 13 14 15 16 22 23 24 25 26 27 28 29 35 36 37 38 39
  2  7  8  9 10 11 12 13 15 20 21 22 23 24 25 26 28 33 34 35 36 37 38 39
  4  5  6  9 10 11 12 13 17 18 19 22 23 24 25 26 30 31 32 35 36 37 38 39