111\cdot +
111\cdot -
11.1111
1.11111
.111111
1111.2
111.21
11.211
1.2111
.21111
11.22
21\cdot +
21\cdot -
1.221
2.211
.2211
2.22
.222
111.3
11.31
1.311
.3111
21.3
1.32
2.31
.321
3\cdot +
3\cdot -
.33
11.4
1.41
.411
2.4
.42
1.5
.51
.6