This is the reservation list
    FOR THE CONCERT HALL.
    A zero indicates available seat,
    a one indicates taken seat.
    There are 35 rows of numerical data.
    Each row contains 20 entries.

0 0 1 1 1 1 0 0 0 1      0 0 0 1 1 1 1 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 0 0 0 0 1 1
0 0 1 1 1 1 0 0 0 1      0 0 0 1 1 1 1 1 0 1
1 1 1 1 1 0 1 1 0 1      1 1 1 1 0 0 1 0 1 1
0 0 1 1 1 1 0 1 0 1      1 1 0 1 0 1 1 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 1 1 0 0 1 1
0 0 1 1 1 1 0 0 0 1      0 0 0 1 1 1 1 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 0 0 0 0 1 1
0 0 1 1 1 1 0 0 0 1      0 0 0 1 1 1 1 1 0 1
1 1 1 1 1 0 1 1 0 1      1 1 1 1 0 0 1 0 1 1

0 0 1 1 1 1 0 1 0 1      1 1 0 1 0 1 1 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 1 1 0 0 1 1
1 1 1 1 1 0 1 1 0 1      1 1 1 1 0 0 1 0 1 1
0 0 1 1 0 0 0 1 0 1      1 1 0 1 0 1 0 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 1 1 0 1 0 0
0 0 1 1 1 1 0 0 0 1      0 0 0 1 1 1 1 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 0 0 0 0 1 1
0 0 1 1 1 1 0 0 0 1      0 0 0 1 1 1 1 1 0 1
1 1 1 1 1 0 1 1 0 1      1 1 1 1 0 0 1 0 1 1
0 0 1 1 1 1 0 1 0 1      1 1 0 1 0 1 1 1 0 1

1 1 1 1 1 0 0 1 0 1      1 1 1 1 1 1 0 0 1 1
0 0 1 1 1 1 0 0 0 1      0 0 0 1 1 1 1 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 0 0 0 0 1 1
0 0 1 1 1 1 0 0 0 1      0 0 0 1 1 1 1 1 0 1
1 1 1 1 1 0 1 1 0 1      1 1 1 1 0 0 1 0 1 1
0 0 1 1 1 1 0 1 0 1      1 1 0 1 0 1 1 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 1 1 0 0 1 1
1 1 1 1 1 0 1 1 0 1      1 1 1 1 0 0 1 0 1 1
0 0 1 1 0 0 0 1 0 1      1 1 0 1 0 1 0 1 0 1
1 1 1 1 1 0 0 1 0 1      1 1 1 1 1 1 0 1 0 0

0 0 0 1 1 1 0 1 0 1      1 1 0 0 0 1 1 1 0 1
1 1 0 1 1 0 0 1 0 1      1 1 1 1 1 1 0 0 1 1
0 0 1 1 1 0 1 1 0 1      1 1 1 1 0 0 1 0 1 1
0 0 1 1 0 0 0 1 0 1      1 1 0 1 0 1 0 1 0 1
1 0 0 0 1 0 0 1 0 1      1 1 1 1 1 1 0 1 0 0