10 FOR J=1 TO 3:FOR I=1 TO 7
30 IF I=1 OR I*J=21 THEN PRINT"       *     *     *" ELSE IF I=2 OR I=6 THEN PRINT"      * *   * *   * *" ELSE IF I=3 OR I=5 THEN PRINT"     *   * *   * *   *" ELSE IF I=4 THEN PRINT"    *     *     *     *
70 NEXT I,J
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