ر

ب

L

X1

X2

X3

1

50

2

35

1

1

1

75

2

55

1

1

1

1

2

70

2

2

1

75

2

40

2

2

1

1

2

55

2

2

1

1

3

90

2

2

2

1

3

40

2

2

2

1

3

75

3

3

2

2

4

1

3

3

2

2

3

5

3

3

3

2

4

70

4

4

3

3

4

70

4

4