Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.92361931572
Darker point darker score: 0.916207543442
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CEPAN1MLYHSO
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AG5PRN6LLI9E1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1AXG32WSJVY54
(0: guessing, 1: probably, 2: definitely)