12   rubber
10   iron
 8   cobblestone
 6   copper
 3   coal
 3   glass
*8 +
 4   wood
 4   copper
 2   rubber
*8 +
 8   iron
 4   rubber
 0.5 gold
*8 +
16   rubber
10   redstone
 9.5 iron
 1   diamond
 0.5 gold
=
6320   rubber
5193.5 iron
4096   cobblestone
3328   copper
1536   coal
1536   glass
 256   wood
  10   redstone
   4.5 gold
   1   diamond
* 4
=
25280 rubber
20774 iron
16384 cobblestone
13312 copper
 6144 coal
 6144 glass
 1024 wood
   40 redstone
   18 gold
    4 diamond