slots_per_week(35).

slots_per_day(7).

class_subject_teacher_times('1a', deu, sjk1, 4).
class_subject_teacher_times('1a', mat, mat1, 5).
class_subject_teacher_times('1a', eng, anj1, 3).
class_subject_teacher_times('1a', h, zgo1, 2).
class_subject_teacher_times('1a', geo, geo1, 2).
class_subject_teacher_times('1a', ch, kem1, 2).
class_subject_teacher_times('1a', bio, bio1, 2).
class_subject_teacher_times('1a', ph, fiz1, 2).
class_subject_teacher_times('1a', f, rai1, 2).
class_subject_teacher_times('1a', lat, atvz1, 3).