Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.93215373029
Darker point darker score: -1.04753408692
darker: 2 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3U9P1A6E2WFAR
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1TIL0S71V1JA0
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: 1 (eq: False, dd: False), confidence: 2, worker: A79CHO3NW2IPO
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
(0: guessing, 1: probably, 2: definitely)