lower bound = 47

C(11,4,3) = 47

Method of Construction: simple construction: combined c(v-1,k,t) and c(v-1,k-1,t-1)

Lower Bound: Schonheim

  2  3  5  6
  3  4  5  7
  2  4  6  7
  2  4  5  8
  1  8  9 10
  1  4  7 10
  3  6  7  8
  1  3  6 10
  3  4  6  9
  1  2  5 10
  1  6  7  9
  2  5  7  9
  1  3  5  9
  2  3  8  9
  1  2  4  9
  5  6  8  9
  4  7  8  9
  1  5  7  8
  2  3  4 10
  1  2  6  8
  1  3  4  8
  1  2  3  7
  5  6  7 10
  3  5  8 10
  4  6  8 10
  1  4  5  6
  2  7  8 10
  3  7  9 10
  2  6  9 10
  4  5  9 10
  1  3 10 11
  4  5  6 11
  2  5  7 11
  3  6  7 11
  1  5  9 11
  2  4  8 11
  3  5  8 11
  1  7  8 11
  1  2  6 11
  1  3  4 11
  2  3  9 11
  2  9 10 11
  6  8 10 11
  4  7  9 11
  4  7 10 11
  3  5 10 11
  6  8  9 11