Findon regained pole position in division one following a five-wicket win at Lindfield.
Kevin Chamberlain's 58 was the highlight of a Lindfield total of 163-8, which the visitors raced past thanks to John Rogers (56) and Richard Iago (46 not out).
Former leaders Southwick, who were level on points with Findon before play, picked up five points after coming off worse in a draw with Burgess Hill.
The visitors belied their lowly league position to amass 239-6 thanks to an opening stand of 122 between Peter Colley (71) and Tom Trowbridge (46) and a quick-fire 53 not out from Paul Brindle. Southwick mustered 142-9 in reply with Dan Fenuik top scoring on 54 not out.
Broadwater remain in title contention after a four-wicket home victory over Goring. Peter Rebera (48) top scored for the visitors as they fell for 129 as Paul Thurston (4-28) and Joe Owen (4-40) made indents. Richard Luker top scored with 48 in reply as Broadwater knocked off the runs.
Graeme Dean hit 101 for Ifield but it was only good enough for a draw at home against Pagham.
The visitors posted 204-6 with Dave Leaver (64) and Chris Hayden (55) impressing with the bat, while Jigga Parekh took 5-42, and Ifield fell just short on 202-6 in reply.
Andy Grenville starred with bat and ball to ensure Keymer and Hassocks kept their 11-point lead at the top of division two intact with victory over Billingshurst. Grenville took 6-35 to help dismiss Hurst for 160, despite the efforts of John Burroughs (49).
He then smashed 58 to inspire Keymer to the target with the loss of six wickets.
Second-placed Barns Green picked up maximum points at home against Crawley Eagles.
Bowler Ollie Lampton proved the match-winner, taking 7-40 as Eagles struggled to 113 all out (Fallah 63). Green reached 116-6 in 36 overs in reply.
The jostle for third place saw Scaynes Hill have the better of a draw against Ansty. Hill took 14 points after chalking up 224-5 with Paul Edwards making 70 and Sam Jeremiah hitting 67.
Paul Osbourne (62) and Richard Nichols (50) took up the chase for Ansty but they had to settle for nine points after finishing on 214-9 with Wayne Emerson claiming 4-93.
Henfield and Clymping remain in the relegation places after their bottom-of-the-table clash finished in a draw.
Henfield had the better of it after making 201-6 thanks to 62 from Chris Crampton and 55 from Richard Dale.
Clymping held on for 145-5 in reply with Mark Allen top scoring on 48.
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