affineShifts := [ SparseMatrix( GF(2), 7044, 1, []), SparseMatrix( GF(2), 7044, 1, []), SparseMatrix( GF(2), 7044, 1, [ <2,1,1>]), SparseMatrix( GF(2), 7044, 1, [ <2,1,1>]), SparseMatrix( GF(2), 7044, 1, [ <25,1,1>]), SparseMatrix( GF(2), 7044, 1, [ <25,1,1>] ) ];