23456 I F O34256 -54326 s 24356 - 243256 (ss) -25346 - -23465 A -Repeat five times, omitting (ss), and calling B for S in parts 2,3,5,6.A═bobs at 6,O,W,F making 9-lead course, so the bob at O is at lead 8 of this course.144 cru in the minimum number of changes. Computer checked. 23456 I O34256 -52364 (-) A -32654 - 226354 (ss) -23564 2 -Repeat five times, calling s for (-) in parts 3 and 6, and omitting (ss) in all parts except the first. A═bobs at 6,O,W,F making a 9-lead course; 144 cru in the minimum number of changes. Computer checked.23456 I O34256 -45236 - (ss)53246 - 342356 - -23564 * A -Call s at * in parts 3 and 6.Repeat five times, omitting (ss) in all parts except first.A═bobs at 6,O,W,F making a 9-lead course, so the last bob at O is at lead 8 of this course, and the course end comes up at the following lead end.Tittums, backrounds, and the 144 cru in the minimum number of changes. Computer checked.23456 I F V H O 42356 235246 s 223654 x36254 -372546 s 3623547 s -32564 - 253426 x34265 A - 42365 -26345 - 334526 2 x54236 - 232456 - -Repeat.A=bobs at 6,O,W,F making a 9-lead course; the last bob at O at the end of this course is actually at lead 8 and the course end comes up at the next lead end.Backrounds, all the 5678s and 8765s with 5678s off front, with 128 cru.Computer checked.23456 I F V H O42356 562345 s s42365 s 652346 s s 336254 s s 2237546 s 3 2357246 - 6752346 - 2532746 - 3273546 s 2732546 3 -352746 - 3352647 - - 423456 x 6=BBSBBS 5=SBBSB 4=BBSB 3=BBB 2=BB Queens, tittums, whittingtons, backrounds, all the 5678s and 2468s with 22 8765s and 20 5678s off front; 88 cru. Computer checked. 234567 I 6 F V H O W24356 s | 32456 - | 63245 s s 3 |A 43265 s 3 | 32546 s s - | 25346 2 26345 s s 2273546 s 3632547 s -25364 s 253264 ss - 32456 s s - 23546 A 52346 236254 s s 2372546 s 3 623547 s -357246 s 3 -265347 x52364 x23456 s s -Queens, tittums, all the 8765s with 5678s off front, 2 courses of 8756s with 6578s off front, and 144 cru. Computer checked.(23456) I O 25346 - | 43265 a | 36245 - 3 | A 64235 - ss | 32465 - - | 32654 A 26354 - 63245 b 34265 - 3 56234 - ss 32645 - - 32564 2A 25364 - 53246 b 23456 - 2Start at backstroke with a single: 12345678 13254678 lead end 31526487 35124678 etca=1,2,3,4,5,8 making a 9-lead course.b=s1,2,3,4,5,8 making a 9-lead course.Tittums, 136 cru including all the 6578s. For 5009, omit any ss. Computer checked.(23456) I F V O 25346 - | 43265 a | A 36245 - 3 | 32465 2 - | 32654 A 26354 - 63245 b 34265 - 3 32645 2 - 32456 A 24356 - 53264 a 372546 - s 3 (3) 362547 s 3 32564 2 - 25364 - 53246 b 23456 - 2a=1,2,3,4,5,8 making a 9 lead course.b=s1,2,3,4,5,8 making a 9-lead course.Start at backstroke with a single:1234567813254678 lead end3152648735124678 etcFor 5009, call ss instead of (3). Tittums, 14 8765s with 12 5678s off front, 16 468s and 136 cru.Computer checked.(23456) I F O 32546 s 25346 - 45326 s 52346 - 3 43256 - - 32564 a 25364 - | 36254 2 2 | 62354 ss - | A 53264 - - | 32645 a | 32456 A omitting ss 24356 - 35426 s 2 42356 2 2 23564 a 23645 A* 23456 A omitting ssa=2,3,4,5,8 making a 9-lead course.Start at backstroke with a single:12345678132546783152648735124678 etc For 5009, omit ss at F at A*. Tittums, backrounds, with 8 each 8765s with 5678s off front, with 136 cru including all the 6578s.