Class Schedule with Genetic Algorithm.
Result Example：
+-----------+-----------------+-----------------+-----------------+-----------------+-----------------+
| week/slot | 1 | 2 | 3 | 4 | 5 |
+-----------+-----------------+-----------------+-----------------+-----------------+-----------------+
| 1 | | | course: 204 | | |
| | | | class: 1203 | | |
| | | | room: 3 | | |
| | | | teacher: 11104 | | |
+-----------+-----------------+-----------------+-----------------+-----------------+-----------------+
| 2 | | course: 204 | | course: 206 | |
| | | class: 1203 | | class: 1203 | |
| | | room: 3 | | room: 3 | |
| | | teacher: 11104 | | teacher: 11106 | |
+-----------+-----------------+-----------------+-----------------+-----------------+-----------------+
| 3 | | course: 203 | | | |
| | | class: 1203 | | | |
| | | room: 3 | | | |
| | | teacher: 11103 | | | |
+-----------+-----------------+-----------------+-----------------+-----------------+-----------------+
| 4 | course: 205 | | | | |
| | class: 1203 | | | | |
| | room: 1 | | | | |
| | teacher: 11105 | | | | |
+-----------+-----------------+-----------------+-----------------+-----------------+-----------------+
| 5 | course: 206 | | | course: 205 | course: 203 |
| | class: 1203 | | | class: 1203 | class: 1203 |
| | room: 2 | | | room: 3 | room: 1 |
| | teacher: 11106 | | | teacher: 11105 | teacher: 11103 |
+-----------+-----------------+-----------------+-----------------+-----------------+-----------------+