asdasd

==> k=1 <==
1: o-
2: oo-
3: +--
4: +-o-
5: +o--
6: +o-o-
7: +oo--
8: ++---
9: ++--o-
10: ++-o--
11: ++o---
12: ++o--o-
13: ++o-o--
14: ++oo---
15: +++----
16: +++---o-
17: +++--o--
18: +++-o---
19: +++o----
20: +++o---o-
21: +++o--o--

==> k=2 <==
1: --
2: -o-
3: o--
4: o-o-
5: oo--
6: +---
7: +--o-
8: +-o--
9: +o---
10: +o--o-
11: +o-o--
12: +oo---
13: ++----
14: ++---o-
15: ++--o--
16: ++-o---
17: ++o----
18: ++o---o-
19: ++o--o--
20: ++o-o---
21: ++oo----

==> k=3 <==
1: ----o+
2: ----+
3: ---
4: --o-
5: -o--
6: o---
7: o--o-
8: o-o--
9: oo---
10: +----
11: +---o-
12: +--o--
13: +-o---
14: +o----
15: +o---o-
16: +o--o--
17: +o-o---
18: +oo----
19: ++-----
20: ++----o-
21: ++---o--

==> k=4 <==
1: -----o-++
2: ------++
3: -----oo+
4: -----o+
5: -----+
6: ----
7: ---o-
8: --o--
9: -o---
10: o----
11: o---o-
12: o--o--
13: o-o---
14: oo----
15: +-----
16: +----o-
17: +---o--
18: +--o---
19: +-o----
20: +o-----
21: +o----o-

==> k=5 <==
1: --------+++
2: -------oo++
3: ------o-o++
4: -------o++
5: ------o-++
6: -------++
7: ------oo+
8: ------o+
9: ------+
10: -----
11: ----o-
12: ---o--
13: --o---
14: -o----
15: o-----
16: o----o-
17: o---o--
18: o--o---
19: o-o----
20: oo-----
21: +------