Note that the SCS is not a unique solution; if u {\displaystyle u} is a b {\displaystyle ab} and v {\displaystyle v} is a c {\displaystyle ac} , the SCS is either a b c {\displaystyle abc} or a c b {\displaystyle acb} , both of which are correct. –Donal Fellows (talk) 16:48, 25 May 2013 (UTC)
