Prism Brainfuck

+++++ +++ Set Cell #0 to 8
[
    >++++ Add 4 to Cell #1; this will always set Cell #1 to 4
    [ as the cell will be cleared by the loop
        >++ Add 2 to Cell #2
        >+++ Add 3 to Cell #3
        >+++ Add 3 to Cell #4
        >+ Add 1 to Cell #5
        <<<<- Decrement the loop counter in Cell #1
    ] Loop till Cell #1 is zero; number of iterations is 4
    >+ Add 1 to Cell #2
    >+ Add 1 to Cell #3
    >- Subtract 1 from Cell #4
    >>+ Add 1 to Cell #6
    [<] Move back to the first zero cell you find; this will
                        be Cell #1 which was cleared by the previous loop
    <- Decrement the loop Counter in Cell #0
] Loop till Cell #0 is zero; number of iterations is 8

The result of this is:
Cell No : 0 1 2 3 4 5 6
Contents: 0 0 72 104 88 32 8
Pointer : ^

>>. Cell #2 has value 72 which is 'H'
>---. Subtract 3 from Cell #3 to get 101 which is 'e'
+++++++..+++. Likewise for 'llo' from Cell #3
>>. Cell #5 is 32 for the space
<-. Subtract 1 from Cell #4 for 87 to give a 'W'
<. Cell #3 was set to 'o' from the end of 'Hello'
+++.------.--------. Cell #3 for 'rl' and 'd'
>>+. Add 1 to Cell #5 gives us an exclamation point
>++. And finally a newline from Cell #6

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