This programme

for(T in 1:3){
  for(j in 1:(5-1)){
    for(k in (j+1):5){
      for(l in (j+2):5){
        print(paste("1 JKL:", j,k,l,sep=" "))
      }
    }
  }
}

Prints out (among other things)
[1] "1 JKL: 4 5 6"

That is for(l in (j+2):5) sets l to 6 one more than the upper limit.

cheers
Worik

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