ocr: L-Bt-0E-a0-UIC-2-013-23-20- NIL : - - - Cac-lb-an-E-ag - à - DE-aRt - - - - 26. a - NIL (b)B 9 a 21 NIL (c) * 30-6 ao 1 - o 12 - 17 a . A - NIL 25 - d) 31 d - 9H - - 178 -192-217 26 Figure 1: (a) Finding a particular node; (b) looking at every otber node in the list; (C) looking at about everyjourth node plus anotber two; (d) taking a probabilistic approach t0 skip pointers.