Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.36795365417
Darker point darker score: 1.0181110196
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1HJHY8RW8BJ27
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2DCLU4B46AB1U
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1E9VI5RSZI31F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2YYHNACJ8MFTU
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A15XHPD9NN0LU2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)