Cylinder a disk queue with requests for I/OI/O to blocks on cylinders 47,38,121,191,87,11,92,10.47,38,121,191,87,11,92,10. The C-SCAN scheduling algorithm is used. The head is initially at cylinder number 6363, moving towards larger cylinder numbers on its servicing pass. The cylinders are numbered from 00 to 199199. The total head movement (in number of cylinders) incurred while servicing these requests is__________.
