blueprint

C=minecraft:cobblestone
B=minecraft:stonebrick
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......................CCC....CCCCCCC........................C......
............CCC.......CCCC....CC....CCC.................CCCC.......
......CCCCCCCCC.....CC...C.....C......C...C...C.....C...C..........
...CCCC.....CC.....CC.....C....C.....CC...C...C.....C...C..........
............C.....CC......CC...C.CCCC....CC...C.....C...C.CC.......
...........CC.....C........C...C.........CCCCCC.....C...CCC........
...........C......CC.......C...CC........C....C.....C...C..........
..........C........CCC.....C....C........C....C.....C...C..........
.........C...........CCCCCCC....C........C....C.....C...C....C.....
........CC....................................CC....C...CCCCCC.....
.......CC..CCCC....................................................
......CCCCCC.......................................................
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