>+                          Set c1 = 1
>++                         Set c2 = 2

<
[->+<]                      Add the value of c1 to c2 and print c2

>
++++++++ ++++++++ ++++++++ ++++++++ ++++++++ ++++++++.

>                           Print c3 which is supposed to be zero
++++++++ ++++++++ ++++++++ ++++++++ ++++++++ ++++++++.
[-]

[-<+>]                      Add the value of c3 (which is 0) to c2

<+.                         Increment c2 and print it again
