Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.890483213538
Darker point darker score: -0.486897931907
darker: 2 (eq: False, dd: False), confidence: 2, worker: AAC5XT7UY7B2K
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: False), confidence: 0, worker: A3F813T7DKLBKP
darker: 1 (eq: False, dd: True), confidence: 2, worker: A5A5THR7ITRBA
darker: E (eq: True, dd: None), confidence: 2, worker: A1ZH2G3ICIOPT2 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)