Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.296182095342
Darker point darker score: 0.984821690478
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3SOJXAUQE15S3
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3GFISRU6V2MG5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3CB0SM114NJVL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1ABA3S1BGNCWW
darker: 1 (eq: False, dd: True), confidence: 2, worker: AEHEZAYCPWF0E
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: 1 (eq: False, dd: True), confidence: 2, worker: A5R9TAN5DI19I (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)