Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.3133998954
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A14VYU4RTNHD1D
darker: E (eq: True, dd: None), confidence: 0, worker: A14MXJ8GNYDWX1
darker: E (eq: True, dd: None), confidence: 2, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1FP3SH704X01V
darker: E (eq: True, dd: None), confidence: 2, worker: AIOZSJB0O6OSQ
(0: guessing, 1: probably, 2: definitely)