input set 1 g . insert ( 1 , 6 ) g . insert ( 2 , 6 ) g . insert ( 3 , 6 ) g . insert ( 4 , 6 ) g . insert ( 5 , 6 ) input set 2
g . insert ( 1 , 6 ) NEW_LINE g . insert ( 2 , 3 ) NEW_LINE g . insert ( 2 , 4 ) NEW_LINE g . insert ( 4 , 3 ) NEW_LINE g . insert ( 5 , 3 ) NEW_LINE vertex = g . eliminate ( ) NEW_LINE