Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.220362759386
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HH4LW4MMVHE1
darker: E (eq: True, dd: None), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2LVDFUMN11HAS (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A47MKFPE4RROA (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A32XWNZW2DQ6UZ
darker: E (eq: True, dd: None), confidence: 2, worker: A1JHVZIC3FH9LG
darker: E (eq: True, dd: None), confidence: 2, worker: A36XRHW6R8MU0C
darker: 2 (eq: False, dd: True), confidence: 2, worker: A216863E5VMFSV (marked invalid)
(0: guessing, 1: probably, 2: definitely)