Basic contract (Overview)

1.xxxxxxxxxxxxxxxxxxxxxxx

2.ddddddddddddddddddddddddddddddd

3.fffffffffffffffff

4.pppppppppppppppppppp

5.kkkkkkkkkkkkkkkkkkkkkk

6.sssssssssssssssssssssssssssssssssssssssssss

7.ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

8.jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj