三维图如下所示:
..000000000000000000000000000000010000000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000000010000000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000000010000000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000011000110000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000000010000000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000011000110000000000000000000000000000000...
..000000000000000000000000000110000011000000000000000000000000000000...
..000000000000000000000000000011000110000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000000010000000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000011000110000000000000000000000000000000...
..000000000000000000000000000110000011000000000000000000000000000000...
..000000000000000000000000001100000001100000000000000000000000000000...
..000000000000000000000000000110000011000000000000000000000000000000...
..000000000000000000000000000011000110000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000000010000000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000011000110000000000000000000000000000000...
..000000000000000000000000000110000011000000000000000000000000000000...
..000000000000000000000000001100000001100000000000000000000000000000...
..000000000000000000000000011000000000110000000000000000000000000000...
..000000000000000000000000001100000001100000000000000000000000000000...
..000000000000000000000000000110000011000000000000000000000000000000...
..000000000000000000000000000011000110000000000000000000000000000000...
..000000000000000000000000000001101100000000000000000000000000000000...
..000000000000000000000000000000111000000000000000000000000000000000...
..000000000000000000000000000000010000000000000000000000000000000000...
...