hexacode.c

/* Enumeration of the hexacode over GF(4). The four
 * characters of GF(4) are represented as {0,1,2,3}.
 */
char hexacode[64][6] = {
        {0, 0, 0, 0, 0, 0}, {0, 0, 1, 1, 1, 1},
        {0, 0, 2, 2, 2, 2}, {0, 0, 3, 3, 3, 3},
        {1, 1, 0, 0, 1, 1}, {2, 2, 0, 0, 2, 2},
        {3, 3, 0, 0, 3, 3}, {1, 1, 1, 1, 0, 0},
        {2, 2, 2, 2, 0, 0}, {3, 3, 3, 3, 0, 0},
        {1, 1, 2, 2, 3, 3}, {1, 1, 3, 3, 2, 2},
        {2, 2, 1, 1, 3, 3}, {2, 2, 3, 3, 1, 1},
        {3, 3, 1, 1, 2, 2}, {3, 3, 2, 2, 1, 1},
        {2, 3, 2, 3, 2, 3}, {3, 1, 3, 1, 3, 1},
        {1, 2, 1, 2, 1, 2}, {2, 3, 3, 2, 3, 2},
        {3, 2, 2, 3, 3, 2}, {3, 2, 3, 2, 2, 3},
        {3, 1, 1, 3, 1, 3}, {1, 3, 3, 1, 1, 3},
        {1, 3, 1, 3, 3, 1}, {1, 2, 2, 1, 2, 1},
        {2, 1, 1, 2, 2, 1}, {2, 1, 2, 1, 1, 2}, 
        {0, 1, 0, 1, 2, 3}, {0, 1, 1, 0, 3, 2},
        {1, 0, 0, 1, 3, 2}, {1, 0, 1, 0, 2, 3},
        {0, 1, 2, 3, 0, 1}, {0, 1, 3, 2, 1, 0},
        {1, 0, 2, 3, 1, 0}, {1, 0, 3, 2, 0, 1},
        {2, 3, 0, 1, 0, 1}, {2, 3, 1, 0, 1, 0},
        {3, 2, 0, 1, 1, 0}, {3, 2, 1, 0, 0, 1},
        {0, 2, 0, 2, 3, 1}, {0, 2, 2, 0, 1, 3},
        {2, 0, 0, 2, 1, 3}, {2, 0, 2, 0, 3, 1},
        {0, 2, 3, 1, 0, 2}, {0, 2, 1, 3, 2, 0},
        {2, 0, 3, 1, 2, 0}, {2, 0, 1, 3, 0, 2},
        {3, 1, 0, 2, 0, 2}, {3, 1, 2, 0, 2, 0},
        {1, 3, 0, 2, 2, 0}, {1, 3, 2, 0, 0, 2},
        {0, 3, 0, 3, 1, 2}, {0, 3, 3, 0, 2, 1},
        {3, 0, 0, 3, 2, 1}, {3, 0, 3, 0, 1, 2},
        {0, 3, 1, 2, 0, 3}, {0, 3, 2, 1, 3, 0},
        {3, 0, 1, 2, 3, 0}, {3, 0, 2, 1, 0, 3},
        {1, 2, 0, 3, 0, 3}, {1, 2, 3, 0, 3, 0},
        {2, 1, 0, 3, 3, 0}, {2, 1, 3, 0, 0, 3}};