Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.897939334509
Darker point darker score: 0.207588934565
darker: 2 (eq: False, dd: True), confidence: 1, worker: AW0K78T4I2T72
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KH9UPH0D74QJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KITOCUU7GERN
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1TQYQG3VFJTWW
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)