Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.887514884935
Darker point darker score: 0.283345389309
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NQZHW4RY6IDR
darker: 2 (eq: False, dd: True), confidence: 2, worker: A12DV2RIAQPV5J
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMV1QZDL5K6PG
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UIVQJXY62XU8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3VPHHR5GLSQ7Q
(0: guessing, 1: probably, 2: definitely)