First numbers that belong to both sets:
1,
2,
3,
4,
7,
10,
20,
21,
40,
41,
42,
43,
70,
71,
72,
73,
74,
210,
310,
320,
321,
410,
420,
421,
710,
720,
721,
740,
741,
742,
743,
3210,
4210,
4310,
4320,
4321,
7210,
7310,
7320,
7321,
7410,
7420,
7421,
43210,
73210,
74210,
74310,
74320,
74321,
743210.