@relative_region=rc([0,0,0],[7,7,7])
#relative_region:type="relative"

@absolute_region=ac([100,100,100],[107,107,107])
#absolute_region:type="absolute"

@mixed=rc([10,0,0],[17,7,7])
@mixed=ac([200,200,200],[207,207,207])
#mixed:accumulates="both_coordinate_types"
