h = crc32_add_bytes(h, (char*)&m->m01, sizeof(m->m01));
h = crc32_add_bytes(h, (char*)&m->m10, sizeof(m->m10));
h = crc32_add_bytes(h, (char*)&m->m11, sizeof(m->m11));
h = crc32_add_bytes(h, (char*)&m->m01, sizeof(m->m01));
h = crc32_add_bytes(h, (char*)&m->m10, sizeof(m->m10));
h = crc32_add_bytes(h, (char*)&m->m11, sizeof(m->m11));