Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.01531963446
Darker point darker score: 0.935903662075
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: True), confidence: 2, worker: A35SADESUZXDIA
darker: 2 (eq: False, dd: True), confidence: 2, worker: AYJ67827HW8LL
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3Q2HC4T5MHY93
darker: 2 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
(0: guessing, 1: probably, 2: definitely)