Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.192381829638
Darker point darker score: -0.149341054159
darker: 2 (eq: False, dd: False), confidence: 1, worker: A4SP70BFBM4ZP
darker: E (eq: True, dd: None), confidence: 2, worker: A15WUXCQBQZ0VW
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2FQSVTAOL5GUC
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1QIZATKBF64SO
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3UKUFHOITA6JF
darker: 2 (eq: False, dd: False), confidence: 2, worker: AQAKW9NW6Z61T
darker: 1 (eq: False, dd: True), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2ZMZDOTHBMUCK
darker: E (eq: True, dd: None), confidence: 2, worker: A2K9VAUQ9I7CLT
(0: guessing, 1: probably, 2: definitely)