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