$O\mathcal{R}A$

a₁

a₂

a₃

a₄

a₅

1

1

1

0

0

1

2

0

1

0

1

0

3

0

1

1

0

0

4

1

1

0

1

0

5

1

1

1

0

0

6

0

1

1

0

1

7

1

0

1

0

0

8

1

1

0

1

1

9

1

1

1

0

0

10

0

1

1

0

0