C(22,10,2) = 7

Created by: LJCR

Method of Construction: Multiple of (11,5,2) covering

Lower Bound: Schonheim

  1  2  4  5 11 12 13 15 16 22
  1  3  4  8 11 12 14 15 19 22
  1  6  7  9 10 12 17 18 20 21
  2  3  7  8  9 13 14 18 19 20
  2  4  6 10 11 13 15 17 21 22
  3  5  6  8 10 14 16 17 19 21
  4  5  7  9 11 15 16 18 20 22