iteration cleanmask nmajordone
0 0
1 s13_0.VLASS2.1.se.T28t09.J175001+723000.06.2048.v2.QLcatmask-tier1.mask 16
2 s13_0.VLASS2.1.se.T28t09.J175001+723000.06.2048.v2.combined-tier2.mask 3
3 s13_0.VLASS2.1.se.T28t09.J175001+723000.06.2048.v2.I.iter3.mask 30