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one partition a|1|1|MULTIPOLYGON(((0 0,10 0,10.1 5,10 10,0 10,0 0)))||MULTIPOLYGON(((10 0,10 10,0 10,0 0,10 0)))
one partition a|1|2|POLYGON((10 0,20 0,20 10,10 10,10.1 5,10 0))||POLYGON((10 0,20 0,20 10,10 10,10 0))
two partition a|1|1|MULTIPOLYGON(((0 0,10 0,10.1 5,10 10,0 10,0 0)))||MULTIPOLYGON(((10 0,10 10,0 10,0 0,10 0)))
two partition a|1|2|POLYGON((10 0,20 0,20 10,10 10,10.1 5,10 0))||POLYGON((10 0,20 0,20 10,10 10,10 0))
two partition a|2|1|MULTIPOLYGON(((0 0,10 0,10.1 5,10 10,0 10,0 0)))||MULTIPOLYGON(((10 0,10 10,0 10,0 0,10 0)))
two partition a|2|2|POLYGON((10 0,20 0,20 10,10 10,10.1 5,10 0))||POLYGON((10 0,20 0,20 10,10 10,10 0))
two partition a|2|3|||
three partition a|1|1|MULTIPOLYGON(((0 0,10 0,10.1 5,10 10,0 10,0 0)))||MULTIPOLYGON(((10 0,10 10,0 10,0 0,10 0)))
three partition a|1|2|POLYGON((10 0,20 0,20 10,10 10,10.1 5,10 0))||POLYGON((10 0,20 0,20 10,10 10,10 0))
three partition a|2|1|MULTIPOLYGON(((0 0,10 0,10.1 5,10 10,0 10,0 0)))||MULTIPOLYGON(((10 0,10 10,0 10,0 0,10 0)))
three partition a|2|2|POLYGON((10 0,20 0,20 10,10 10,10.1 5,10 0))||POLYGON((10 0,20 0,20 10,10 10,10 0))
three partition a|2|3|||
three partition a|3|1|POLYGON EMPTY||
three partition a|3|2|||
three partition b|1|200
three partition b|2|200
three partition b|3|
union 3|2|ST_Polygon
grid lanes|0|110000
grid lanes|1|110000
grid lanes|2|110000
grid lanes|3|110000
grid lanes|4|110000
grid lanes|5|110000
grid lanes|6|110000
grid lanes|7|110000
grid lanes|8|110000
grid lanes|9|110000
grid lanes|10|110000
grid squares|0|0|250000
grid squares|0|1|250000
grid squares|0|2|50000
grid squares|1|0|250000
grid squares|1|1|250000
grid squares|1|2|50000
grid squares|2|0|50000
grid squares|2|1|50000
grid squares|2|2|10000
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