Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.989942559871
Darker point darker score: 0.990499021437
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2ZMZDOTHBMUCK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1QK90OHMNVT6N
darker: 1 (eq: False, dd: True), confidence: 2, worker: AF8M0GI3M45B8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)