1:	12	[[0,[]],[0,[]],[7,[2]],[0,[]]]
2:	12	[[0,[]],[0,[]],[7,[2]],[0,[]]]
4:	12	[[0,[]],[0,[]],[7,[2]],[0,[]]]
17:	12	[[0,[]],[0,[]],[7,[2]],[0,[]]]
18:	12	[[0,[]],[0,[]],[7,[2]],[0,[]]]