RUNSPEC

DIMENS
  1 1 4
/

GRID

COORD
  0 0 0  0 0 0
  1 0 0  1 0 0
  0 1 0  0 1 0
  1 1 0  1 1 0
/

ZCORN
  0 0 0 0
  1 1 1 1

  1 1 1 1
  2 2 2 2

  2 2 2 2
  3 3 3 3

  3 3 3 3
  4 4 4 4
/

ACTNUM
  0 1 0 1
/

NTG
  0.1 0.2 0.3 0.4
/

REGIONS

SATNUM
  4 3 2 1
/

-- Note: Dummy 'PROPS' and 'SCHEDULE' sections only
PROPS
SCHEDULE

END