[sierpinski.b -- display Sierpinski triangle
(c) 2016 Daniel B. Cristofani
http://brainfuck.org/]

++++++++[>+>++++<<-]>++>>+<[-[>>+<<-]+>>]>+[
    -<<<[
        ->[+[-]+>++>>>-<<]<[<]>>++++++[<<+++++>>-]+<<++.[-]<<
    ]>.>+[>>]>+
]

[Shows an ASCII representation of the Sierpinski triangle
(iteration 5).]