uscale < $1 | tek -n ;
# acyc < $1 |tee $1.A | uscale | tek -n;
# layer < $1 |tee $1.B | uscale | tek -n;
proper < $1 |tee $1.C | uscale | tek -n -d;
untangle < $1.C |tee $1.D | uscale | tek -n -d;
# revrev < $1.D | tee $1.E | uscale | tek -n;
delstrdum < $1.D |tee $1.F | uscale | tek -n
