010 REM 020 REM See ../README.md 030 REM 040 REM 050 REM Run as: basic ch-1.bas 060 REM 100 PRINT "0 1 1 2 1 3 2 3 1 4 3 5 2 5 3 4 1 5 4 7 3 8 5 7 2 7 "; 200 PRINT "5 8 3 7 4 5 1 6 5 9 4 11 7 10 3 11 8 13 5 12 7 9 2 9"