Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0325320488991
Darker point darker score: 0.147410979733
darker: 2 (eq: False, dd: True), confidence: 2, worker: ACXUUWF75RR6C
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DNSD743W4OC2
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3FB1E807EN22S
darker: E (eq: True, dd: None), confidence: 2, worker: A3RQN5RZD1N2KP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
(0: guessing, 1: probably, 2: definitely)