6
1. Patient 1: 1a-
0 1b- 1
1c- 0
2- 0
3- 0
4- 1
5a- 0
5b- 4
6a- 0
6b- 3
7- 0
8- 1
9- 1
10- 0
11- 1
2. Patient 2: 1a-
0 1b- 1
1c- 0
2- 0
3- 0
4- 1
5a- 0
5b- 0
6a- 0
6b- 2
7- 0
8- 1
9- 0
10- 1
11- 0
3. patient 3: 1a-
0 1b- 1
1c- 0
2- 0
3- 0
4- not 3
1/