degree:21
 order:60
[ 21, 14, 24 ][ 9, 7, 7, 0 ]

minimal polynomial:[ x-21, x-3, x+4, x+7 ][ x-14, x+1 ]
[ x-24, x-4, x+3, x+8 ]

 SITA:
[ [ [ 1, 0, 0, 0 ], [ 0, 1, 0, 0 ], [ 0, 0, 1, 0 ], [ 0, 0, 0, 1 ] ], 
  [ [ 0, 21, 0, 0 ], [ 1, 6, 6, 8 ], [ 0, 9, 0, 12 ], [ 0, 7, 7, 7 ] ], 
  [ [ 0, 0, 14, 0 ], [ 0, 6, 0, 8 ], [ 1, 0, 13, 0 ], [ 0, 7, 0, 7 ] ], 
  [ [ 0, 0, 0, 24 ], [ 0, 8, 8, 8 ], [ 0, 12, 0, 12 ], [ 1, 7, 7, 9 ] ] ]