[[x/x , 23/x, 30/x , x/x  , x/x  , 27/x, 12/x, 16/x],
 [x/16, x   , x    , x/x  , 17/24, x   , x   , x   ],
 [x/17, x   , x    , 15/29, x    , x   , x   , x   ],
 [x/35, x   , x    , x    , x    , x   , 12/x, x/x ],
 [x/x , x/7 , x    , x    , 7/8  , x   , x   , 7/x ],
 [x/x , 11/x, 10/16, x    , x    , x   , x   , x   ],
 [x/21, x   , x    , x    , x    , x/5 , x   , x   ],
 [x/6 , x   , x    , x    , x/x  , x/3 , x   , x   ]].

