Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02709958522
Darker point darker score: 0.353162586347
darker: 2 (eq: False, dd: True), confidence: 1, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2MZLVT9DB9MGK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UN57EC5AXY1Z
darker: 1 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1MQPBGSL800TL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)