The way I see this going.
1slams her right fist into 2 belly and then brings her knee up in to 2's face as she bends over, putting her down for the count.
3 pulls 4 off balance by the hair causing 4 to
Fall backwards, 1 then smashes her in the face a few times witha closed fist leaving 4 curld up and crying on the sand.
5 backs away from the voilence leaving 1 & 3 to face off in a anything goes brawl.
Both girls give as good as they get.
After a long drawnout fight a battered and bruised #1 walks away as the winner