(text/identifier: curb_0, shape: rectangle, size: medium, position: leftmost in the curb grid, status: contains car1, clear)(text/identifier: curb_1, shape: rectangle, size: medium, position: to the right of curb_0, status: empty, clear)(text/identifier: curb_2, shape: rectangle, size: medium, position: to the right of curb_1, status: contains car2, not clear)(text/identifier: curb_3, shape: rectangle, size: medium, position: to the right of curb_2, status: contains car0, clear)(text/identifier: car1, shape: circle, size: small, position: inside curb_0, status: parked, clear)(text/identifier: car3, shape: circle, size: small, position: behind car2, status: double parked, clear)(text/identifier: car2, shape: circle, size: small, position: inside curb_2, status: parked, not clear)(text/identifier: car0, shape: circle, size: small, position: inside curb_3, status: parked, clear)