case 1
shelf 1 81 706
shelf 1 97 755
shelf 1 113 652
book Book_1 5 86
add Book_1 1
book Book_2 5 85
add Book_2 1
book Book_3 6 66
add Book_3 1
book Book_4 10 81
add Book_4 1
book Book_5 10 85
add Book_5 1
book Book_6 12 61
add Book_6 1
book Book_7 13 65
add Book_7 1
book Book_8 8 94
add Book_8 1
book Book_9 13 50
add Book_9 1
book Book_10 12 67
add Book_10 1
pcase 1