++++++++++++++++++++++++++++++++++++++++++++ c1v44 : ASCII code of comma >++++++++++++++++++++++++++++++++ c2v32 : ASCII code of space >++++++++++++++++ c3v11 : quantity of numbers to be calculated > c4v0 : zeroth Fibonacci number (will not be printed) >+ c5v1 : first Fibonacci number << c3 : loop counter [ block : loop to print (i)th number and calculate next one >> c5 : the number to be printed block : divide c5 by 10 (preserve c5) > c6v0 : service zero >++++++++++ c7v10 : divisor << c5 : back to dividend [->+>-[>+>>]>[+[-<+>]>+>>]<<<<<<] c5v0 : divmod algo; results in 0 n d_n%d n%d n/d >[<+>-] c5 : move dividend back to c5 and clear c6 >[-] c7v0 : clear c7 >> block : c9 can have two digits; divide it by ten again >++++++++++ c10v10: divisor < c9 : back to dividend [->-[>+>>]>[+[-<+>]>+>>]<<<<<] c9v0 : another divmod algo; results in 0 d_n%d n%d n/d >[-] c10v0 : clear c10 >>[++++++++++++++++++++++++++++++++++++++++++++++++.[-]]c12v0 : print nonzero n/d (first digit) and clear c12 <[++++++++++++++++++++++++++++++++++++++++++++++++.[-]] c11v0 : print nonzero n%d (second digit) and clear c11 <<<++++++++++++++++++++++++++++++++++++++++++++++++.[-] c8v0 : print any n%d (last digit) and clear c8 <<<<<<<.>. c1c2 : print comma and space block : actually calculate next Fibonacci in c6 >>[>>+<<-] c4v0 : move c4 to c6 (don't need to preserve it) >[>+<<+>-] c5v0 : move c5 to c6 and c4 (need to preserve it) >[<+>-] c6v0 : move c6 with sum to c5 <<<- c3 : decrement loop counter ] <<++... c1 : output three dots