C(45,25,2) = 5

Created by: LJCR

Method of Construction: Multiple of (9,5,2) covering

Lower Bound: Bounds for fixed number of blocks

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  1  6  7  8  9 10 15 16 17 18 19 24 25 26 27 28 33 34 35 36 37 42 43 44 45
  2  3  4  6  7 11 12 13 15 16 20 21 22 24 25 29 30 31 33 34 38 39 40 42 43
  2  3  4  8  9 11 12 13 17 18 20 21 22 26 27 29 30 31 35 36 38 39 40 44 45
  5  6  7  8  9 14 15 16 17 18 23 24 25 26 27 32 33 34 35 36 41 42 43 44 45