123456789 1 2 3 4 5 6 --------- ----------- 142357968 - s (6) 123457968 - (6) --------- ----------- 142397568 s - - 134297568 - - - 123497568 - - - --------- ----------- 142356978 s - s 134256978 - - - 123456978 - - - --------- ----------- 142356879 - - s 134256879 - - - 163452879 - - s --------- ----------- 123465879 s s 142365879 - - - 123456789 - - - (4) --------- ----------- All courses five leads long except as marked 1277 rows ending in 123456789 Touch is true