25 10 8
0  50 11
34 25 0
14 0 22
200 25 56

splot "data" using (0):(0):(0):1:2:3 with vectors

splot for [i=0:system("wc -l < data")] '<awk -v s="n" "{print s}1" data' using (0):(0):(0):1:2:3 index i notitle with vectors