Stage 1 heating of TC5b 0 to 50K
 &cntrl
  imin=0, irest=0, ntx=1,
  nstlim=10000, dt=0.0005,
  ntc=2, ntf=2,
  ntt=1, tautp=1.0,
  tempi=0.0, temp0=50.0,
  ntpr=50, ntwx=50,
  ntb=0, igb=1,
  cut=999.,rgbmax=999.
 /
