++++[>+++++<-]>[<+++++>-]+<+[
    >[>+>+<<-]++>>[<<+>>-]>>>[-]++>[-]+
    >>>+[[-]++++++>>>]<<<[[<++++++++<++>>-]+<.<[>----<-]<]
    <<[>>>>>[>>>[-]+++++++++<[>-<-]+++++++++>[-[<->-]+[<<<]]<[>+<-]>]<<-]<<-
]
[Outputs square numbers from 0 to 10000.
Daniel B Cristofani (cristofdathevanetdotcom)
http://www.hevanet.com/cristofd/brainfuck/]