RAMME "3 0 -1 68 $1"
mk s{t F = $VF + 1
mk s{t X = $VF + 1

 S[T forrigefigur = "$VA.$VF"

 S[T n{stefigur = "$VA.$VX"
mk luft $1
SF
Fig. $VA.$VF. $L1

ers blot t{l op
MV A = $VA + 1
MV X = 0 + $1
MV X = $VX / $1
MV X = 1 - $V