Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.901645272365
Darker point darker score: 0.147662571583
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2V83AS7LPINAN
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TM1ZFU4OIPTD
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2V83AS7LPINAN
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
darker: E (eq: True, dd: None), confidence: 2, worker: AH7WFV2TQYEW0 (marked invalid)
(0: guessing, 1: probably, 2: definitely)