INCREASE L INCREASE L INCREASE L INCREASE L INCREASE L PRINT X REPEAT L TIMES ( INCREASE X INCREASE A REPEAT X TIMES ( REPEAT C TIMES ( INCREASE Z CLEAR A CLEAR B CLEAR C INCREASE A ) REPEAT B TIMES ( CLEAR B INCREASE C ) REPEAT A TIMES ( CLEAR A INCREASE B ) ) CLEAR A CLEAR B CLEAR C PRINT Z CLEAR X REPEAT Z TIMES ( INCREASE X ) CLEAR Z )