INCREASE Y
INCREASE Y
INCREASE Y
INCREASE Y
INCREASE Y
#INCREASE X
#INCREASE X
#INCREASE X
#INCREASE X
#INCREASE X
#INCREASE X
#INCREASE X
REPEAT Y TIMES ( REPEAT Y TIMES ( REPEAT Y TIMES ( INCREASE O ) ) )
REPEAT Y TIMES ( REPEAT Y TIMES ( INCREASE O ) )
REPEAT Y TIMES ( REPEAT Y TIMES ( INCREASE O ) )
REPEAT Y TIMES ( INCREASE O )
PRINT X

REPEAT O TIMES (
  CLEAR Q
  CLEAR P
  REPEAT X TIMES (
    REPEAT P TIMES ( CLEAR Q INCREASE Q )
    CLEAR P INCREASE P
  )
  REPEAT Q TIMES (
    CLEAR N CLEAR M CLEAR B CLEAR C CLEAR A 
    INCREASE B
    REPEAT X TIMES (
      CLEAR C REPEAT A TIMES ( INCREASE C )
      REPEAT B TIMES (
        INCREASE N
        CLEAR B
        INCREASE A
      )
      REPEAT C TIMES (
        CLEAR A
        INCREASE B
        INCREASE M
      )
    )

    REPEAT B TIMES ( CLEAR X REPEAT N TIMES ( INCREASE X )
    PRINT X )
    #3x+1
    REPEAT A TIMES (
      CLEAR Y
      REPEAT X TIMES ( INCREASE Y )
      REPEAT Y TIMES ( INCREASE X )
      REPEAT Y TIMES ( INCREASE X )
      INCREASE X
      PRINT X
    )
  )
)