how to play sudoku

{"cid":"91200251","title":"Easy To Hard Puzzler Sudoku Books","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/77\/89\/356ff93318054dfcf24650b8e45a-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Panda Juniors","Model Number":"PJ01","Minimum Order Quantity":"10-50 pieces","Delivery Time":"5-8 days","Certification":"CE Certificate, EN71-1,2,3, ASTM F963-17","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"3000\/piece\/30 days","Packaging Details":"Master Carton\/255x188x30mm\/20sets per one carton","Extent":"box+20 cards+1 magnetic card+1 brochure","Size":"255x188x30mm","Title":"Fruit Party","Lauguage":"English","Quality":"Pass related tests","Carton size":"258x190x30mm","White board paper":"4 colour CMYK printing","Product Name":"Jungle World Sudoku"}}

{"cid":"91185274","title":"Funny Educational Toys For 3 Year Olds \/ Fishing Shooting Sudok Board Games","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/35\/71\/a3958baad4f51befd14fe75ba2a8-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"MAN YUK","Model Number":"5063,5067","Minimum Order Quantity":"5 cartons \/ item","Delivery Time":"7-25 days after receiving deposit with production labels approved.","Certification":"13P\u3001 ASTM\u3001 CA-65\u3001CE\u3001 EN71\u3001 HR4040\u3001 BIS","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"50000pcs\/month","Packaging Details":"color box","Age":"+3 years and up","Features":"educational, learning, entertaining games","Material":"ABS plastic, paper card, metal","Style":"Educational entertainment parent-child activity toys","Battery":"shooting game use 2 * AA batteries ( Not include ), others no battery.","Gender":"boys, girls, unisex"}}

{"cid":"91191356","title":"ASTM F963 Magnetic Activity Set Educational Math Learning Toy For Kids","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8b\/73\/ed60240e9497f35b90c1504f28d9-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"OEM","Model Number":"MAG-006","Minimum Order Quantity":"1000sets","Delivery Time":"25 - 35 days","Certification":"SGS, DISNEY, ROHS, EN71, ASTMF963, Non-Phthalate","Place of Origin":"Guangdong of China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram, PayPal","Supply Ability":"50,000 per month","Packaging Details":"Shrinkwrap Gift Box as one set, then master carton packing","Title":"Magnetic Sudoku Number Table Game Fridge Magnet Educational Math Learning Toy for Kids","Material":"Paper Card, flexiable magnet, EVA foam","Type":"magnetic Educational games","Function":"Playing & Teaching for maths","Packing":"paper gift box, customized","Eco-friendly":"Yes","Logo":"Customized Logo","Design":"OEM \/ODM"}}