d28x16
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3000000000070300007000000700
3000000003222201111111311111
3000000003070000000000300000
3111111301111300000000300000
3000000300070383111111111113
3000000303222203222222222223
3000073103700003200000700023
3000031001111303232222222323
3007310000007303232000700323
3003100003222203232222222223
3031000003070003230000700003
3310000001111303222222222222
3300800000000603000080000000
1111111111111111111111111111