The three pictures shown in the picture are the top views of objects made up of several small cubes. The number in the small cube indicates the number of small cubes in this position. Please draw the front view and the left view of this object.

Sheet 1: Front view: the first vertical row 1 square, the second vertical row 1 square; Left view: there are 2 in the first vertical line and 2 in the second vertical line.

Second: front view: 2 in the first vertical row and 3 in the second vertical row; Left view: the first vertical line 3, the second vertical line 1.

Third: front view: 2 in the first vertical row and 3 in the second vertical row; Left view: three in the first vertical row; In the second vertical row.