Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.89787473979
Darker point darker score: -0.24728573506
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2NDNGDNAP9Y4S
darker: 2 (eq: False, dd: False), confidence: 1, worker: AX720MTAR52TX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2KJ983WWTEK4L
darker: 2 (eq: False, dd: False), confidence: 1, worker: A26N0ZAW34UJUV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
(0: guessing, 1: probably, 2: definitely)