Z1 (grade 4, ground floor, 4 photos)Z2 (grade 3, ground floor, 5 photos)Z3 (grade 4, ground floor, 5 photos)Z4 (grade 4, ground floor, 1 photo)Z5 (grade 3, ground floor, 3 photos)Z6 (grade 4, ground floor, 4 photos)Z7 (grade 4, 1st floor, 1 photo)Z8 (grade 4, 1st floor, 5 photos)Z9 (grade 3, 1st floor, 5 photos)Z10 (grade 4, 1st floor, 2 photos)Z11 (grade 3, 1st floor, 3 photos)Z12 (grade 4, 1st floor, 5 photos)Z13 (grade 3, 2nd floor, 1 photo)Z14 (grade 2, 2nd floor, 2 photos)