try to modify this section to..
Code:
MAIN:
	for Z = 1 to 63 'set count up
		IF z < 50 THEN GOSUB knight 'if count less than 50 knight sequence
		if z > 50 then GOSUB wash 'if count over 50 then wash
		if z = 60 then GOSUB random1 'if count =60 then random1
		pause 100 'delay
		next z 'increment count up

	GOTO MAIN
see what happen now.