100 REM SORT BY COMPARISON
110 DIM IN$(6), OU$(6)
120 FOR I=0 TO 6:READ IN$(I): NEXT I
130 DATA VIOLET,RED,GREEN,INDIGO,BLUE,YELLOW,ORANGE
140 OU$(0)=IN$(0):N=1
150 FOR I=1 TO 6
160 : IN$=IN$(I)
180 : GOSUB 390
190 : FOR J=0 TO N-1
200 :  OU$ = OU$(J)
210 :  GOSUB 340
220 :  IF R>=0 THEN 280
230 :  FOR K=N TO J+1 STEP -1
240 :   OU$(K) = OU$(K-1)
250 :  NEXT K
260 :  OU$(J) = IN$
270 :  GOTO 300
280 : NEXT J
290 : OU$(N) = IN$
300 : N=N+1
310 NEXT I
320 GOSUB 390
330 END
340 PRINT "IS "IN$" < "OU$"? (Y/N)";
350 GET K$: IF K$<>"Y" AND K$<>"N" THEN 350
360 PRINT K$
370 R = K$="Y"
380 RETURN
390 PRINT "(";
400 IF N=1 THEN 420
410 FOR Q=0 TO N-2:PRINT OU$(Q)",";:NEXT Q
420 PRINT OU$(N-1)")"
430 RETURN