α1

α2

α3

α4

d

s1

2

0

1

1

0

s2

0

1

1

1

1

s3

1

0

1

1

1

s4

1

2

0

0

1

s5

2

1

1

1

0

s6

2

2

0

1

1

s7

1

0

0

1

1

s8

0

1

1

0

0

s9

0

1

0

1

1