C(30,10,2) = 13

Created by: LJCR

Method of Construction: Multiple of (15,5,2) covering

Lower Bound: Schonheim

  1  2  3  8 11 16 17 18 23 26
  1  4  6 11 15 16 19 21 26 30
  1  4 10 11 12 16 19 25 26 27
  1  5 11 13 14 16 20 26 28 29
  1  7  9 11 15 16 22 24 26 30
  2  4  8  9 13 17 19 23 24 28
  2  5  6  7 10 17 20 21 22 25
  2  5 12 14 15 17 20 27 29 30
  3  4  5  7 14 18 19 20 22 29
  3  6  9 12 14 18 21 24 27 29
  3  8 10 13 15 18 23 25 28 30
  5  8  9 10 14 20 23 24 25 29
  6  7  8 12 13 21 22 23 27 28