Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.03536695361
Darker point darker score: 0.936537777193
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2V83AS7LPINAN
darker: 1 (eq: False, dd: True), confidence: 2, worker: A15XHPD9NN0LU2
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RX3MRFR56U4Q (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1YQ4Z1018RM1R
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PIU3R3IE6VDW
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2DTELFC4X0QJQ
(0: guessing, 1: probably, 2: definitely)