Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.970001839215
Darker point darker score: 0.999402954475
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2YM7PJ6OSMSR9
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DCLU4B46AB1U
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2YYHNACJ8MFTU
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1GY0P2ZEJ1RK7
(0: guessing, 1: probably, 2: definitely)