Another round

Duration 31:00 TSS 28 IF 0.73

02:00 @ 50% FTP
01:00 @ 50% FTP
01:00 @ 55% FTP
01:00 @ 60% FTP
01:00 @ 65% FTP
01:00 @ 70% FTP
02:00 @ 55% FTP
3x
00:45 @ 121% FTP,
05:00 @ 55% FTP
00:45 @ 120% FTP
04:00 @ 50% FTP

Short, high-intensity efforts. How many rounds will you go?