iteration cleanmask nmajordone
0 0
1 s13_0.VLASS2.1.se.T10t32.J205000-033000.06.2048.v1.QLcatmask-tier1.mask 31
2 s13_0.VLASS2.1.se.T10t32.J205000-033000.06.2048.v1.combined-tier2.mask 14
3 s13_0.VLASS2.1.se.T10t32.J205000-033000.06.2048.v1.I.iter3.mask 40