Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.939726394859
Darker point darker score: 0.998941057366
darker: 2 (eq: False, dd: True), confidence: 2, worker: A11RO4HUQG8PKZ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2C5CT4Y35F75B
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UIVQJXY62XU8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)