++++++++++          Set the first cell (0) to 10
[                   Start of the initialization loop 
   >                Go to cell 1
   +++++++          Set it to 7
   >                Go to cell 2
   ++++++++++       Set it to 10
   >                Go to cell 3
   +++              Set it to 3
   <<<              Go back to cell 0
   -                Decrement it
]                   Loop until cell 0 value is 0
>++                 Add 2 to cell 1 to set it to 72
.                   Print the 'H' character (72)
>+                  Add 1 to cell 2 to set it to 101
.                   Print the 'e' character (101)
+++++++             Add 7 to cell 2 to set it to 108
..                  Print the 'l' character (108) twice
+++                 Add 3 to cell 2 to set it to 111
.                   Print the 'o' character (111)
>++                 Add 2 to cell 3 to set it to 32
.                   Print the ' ' character (32)
<<                  Go back to cell 1
+++++++++++++++     Add 15 to cell 1 to set it to 87
.                   Print the 'W' character (87)
>                   Go to cell 2
.                   Print the 'o' character (111)
+++                 Add 3 to cell 2 to set it to 114
.                   Print the 'r' character (114)
------              Substract 6 to cell 2 to set it to 108
.                   Print the 'l' character (108)
--------            Substract 8 to cell 2 to set it to 100
.                   Print the 'd' character (100)
>                   Go to cell 3
+                   Add 1 to cell 3 to set it to 33
.                   Print the '!' character (33)