PRINT X
INCREASE T
INCREASE S
REPEAT X TIMES (
    CLEAR C
    INCREASE C
    REPEAT S TIMES (
        CLEAR C
        CLEAR S
    )
)
INCREASE S
REPEAT C TIMES ( CLEAR S )
REPEAT S TIMES ( CLEAR T )
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N INCREASE N
INCREASE N INCREASE N INCREASE N
INCREASE Q
REPEAT N TIMES (
    REPEAT T TIMES (
        REPEAT P TIMES ( INCREASE R )
        CLEAR P
        REPEAT Q TIMES ( INCREASE P )
        CLEAR Q
        REPEAT R TIMES ( INCREASE Q )
        CLEAR R
        REPEAT P TIMES ( # X 为主
            CLEAR Y
            INCREASE I
            REPEAT X TIMES ( # O(X)
                INCREASE J
                REPEAT I TIMES ( 
                    INCREASE Y
                    CLEAR I
                    CLEAR J
                )
                REPEAT J TIMES (
                    INCREASE I
                    CLEAR J
                )
            )
            INCREASE J
            REPEAT I TIMES ( # 偶数
                CLEAR J
                PRINT Y
                INCREASE S
                REPEAT Y TIMES ( # O(X)
                    CLEAR C
                    REPEAT S TIMES (
                        INCREASE C
                        CLEAR S
                    )
                )
                REPEAT C TIMES ( CLEAR T )
                CLEAR I
            )
            REPEAT J TIMES ( # 奇数
                REPEAT X TIMES ( # O(X)
                    INCREASE X
                    INCREASE X
                    INCREASE Y
                )
                INCREASE X
                PRINT X
                PRINT Y
                CLEAR J
            )
        )
        REPEAT Q TIMES ( # Y 为主
            CLEAR X
            INCREASE I
            REPEAT Y TIMES ( # O(X)
                INCREASE J
                REPEAT I TIMES ( 
                    INCREASE X
                    CLEAR I
                    CLEAR J
                )
                REPEAT J TIMES (
                    INCREASE I
                    CLEAR J
                )
            )
            INCREASE J
            REPEAT I TIMES ( # 偶数
                CLEAR J
                PRINT X
                INCREASE S
                REPEAT X TIMES ( # O(X)
                    CLEAR C
                    REPEAT S TIMES (
                        INCREASE C
                        CLEAR S
                    )
                )
                REPEAT C TIMES ( CLEAR T )
                CLEAR I
            )
            REPEAT J TIMES ( # 奇数
                REPEAT Y TIMES ( # O(X)
                    INCREASE Y
                    INCREASE Y
                    INCREASE X
                )
                INCREASE Y
                PRINT Y
                PRINT X
                CLEAR J
            )
        )
    )
)