( n, k, d) Just the check bits; append an identity matrix for data bits
(29, 1,29)  0x000000000fffffff  0000000000000000000000000000000000001111111111111111111111111111
    0000000000000000000000111111111111110000000000000011111111111111
    0000000000000001111111000000011111110000000111111100000001111111
    0000000000001110001111000111100001110001111000011100011110000111