123456789 1 2 3 4 5 6 --------- ----------- 123547698 Backstroke Single --------- ----------- 124365879 Plain Lead --------- ----------- 152463879 - - s 145263879 - - - 125364879 - (6) 135264879 s (6) 123564879 - - - 142365879 - - s --------- ----------- 154263897 - s s | 124356897 s - | 162453897 - - s | A 136254897 - - s | 123654897 - - - | 142356897 - - s | --------- ----------- 124356798 - - - | 162453798 - - s | 136254798 - - s | B 123654798 - - - | 142356798 - - s | --------- ----------- 142365789 A --------- ----------- 142365987 B --------- ----------- 142356978 A --------- ----------- 142356879 B --------- ----------- 142365897 A --------- ----------- 142365798 B --------- ----------- 154263789 - s s 124356789 s - 162453789 - - s 136254789 - - s 123654789 - - - 123456789 - - s - (4) --------- ----------- Start at backstroke with a Single followed by a Plain lead. Thereafter courses five leads long except as marked. 5077 rows ending in 123456789 Touch is true