Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.995712306037
Darker point darker score: -0.0502878256681
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2S9J5W3VOD0M6
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3Q2HC4T5MHY93
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2K9VAUQ9I7CLT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A22BAUES1TIZS6
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3O8YXPG1HGUH0
(0: guessing, 1: probably, 2: definitely)