Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.402880595402
Darker point darker score: 0.308372437023
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3Q2HC4T5MHY93
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2B8L88BUHVOO6
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1IX44UFXFW0ZY
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)