Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.910369863515
Darker point darker score: -0.166648917873
darker: 2 (eq: False, dd: True), confidence: 2, worker: AGY2PTZLZFT2L
darker: 1 (eq: False, dd: False), confidence: 2, worker: A14MXJ8GNYDWX1
darker: 1 (eq: False, dd: False), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 1, worker: A6KUVG49ZZ40M (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1E9VI5RSZI31F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1I4YHF7RG58DV
darker: 1 (eq: False, dd: False), confidence: 2, worker: AKLZPOBB3YA33
(0: guessing, 1: probably, 2: definitely)