Solution: (2,0,0)(2,1,0)(1,0,0)(1,1,0)(3,0,0)(3,1,0)(2,2,0)(0,1,0) +---------+ | | | | | ^ | | / \ | | /| |\ | | | | | | +-+ | | # | | # | +---------+ +---------++---------+ | || # | | || # | | || # | | || # | | ###||### | | # || | | # || ... | | # || ..... | | # || ....... | +---------++---------+ +---------++---------++---------+ | # || ........|| | | # || .......||. | | # || ......||.. | | # || .....||... | | #####||### ....||... | | # || # ...||... | | # || # ..||.. | | # || # .||. | | # || # || | +---------++---------++---------+ +---------++---------+ | # || # | | # || # | | # || # | | # || # | | ###||### | | || | | || | | || | | || | +---------++---------+