      DATA ICC / 2,1,7,3,4,5,6,9,7,2,10,11,12,13,14,15,16 /
      DATA ICA / 2,7,4,5,1,3,6,7,9,10,11,12,13,14,15 /
      DATA ICF / 7,3,5,2,7,1,4,0,10,11,12,13,14,15,7 /
      DATA ICREF / 2,1,8,3,4,5,6,7,2,9,10,11,12,13,14,15 /
      DATA ICBLO / 1,4,7,0,0,0,0,1,2,4,5,6,11,7 /
