Complete the series: 11,1,7,3,6,5,5,____,____

There is double series in the above question.
11,7,6,5,____ (11-4=7, 7-1=6, 6-1=5, 5-1=4)
1,3,5,_____ (1+2=3, 3+2=5, 5+2=7)