do for [i=0:30000] {
    set xrange[-300000000000.0:300000000000.0]
    set yrange[-300000000000.0:300000000000.0]
    set zrange[-30000000000.0:300000000000.0]
    plot 'wynik' every ::i*4::i*4+4  u 2:3:1 pt 7 ps 2
}