Something

iptables -t nat -I PREROUTING -i eth0 -p tcp --dport 9010 -j DNAT --to 192.168.0.4:9010
iptables -t nat -I PREROUTING -i eth0 -p tcp --dport 9011 -j DNAT --to 192.168.0.4:9011
iptables -t nat -I PREROUTING -i eth0 -p tcp --dport 9012 -j DNAT --to 192.168.0.4:9012
iptables -t nat -I PREROUTING -i eth0 -p tcp --dport 9013 -j DNAT --to 192.168.0.4:9013
iptables -t nat -I PREROUTING -i eth0 -p tcp --dport 9014 -j DNAT --to 192.168.0.4:9014
iptables -t nat -I PREROUTING -i eth0 -p tcp --dport 9015 -j DNAT --to 192.168.0.4:9015
iptables -I FORWARD -i eth0 -p tcp -d 192.168.0.4/32 --dport 9010 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -d 192.168.0.4/32 --dport 9011 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -d 192.168.0.4/32 --dport 9012 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -d 192.168.0.4/32 --dport 9013 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -d 192.168.0.4/32 --dport 9014 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -d 192.168.0.4/32 --dport 9015 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -s 192.168.0.4/32 --dport 9010 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -s 192.168.0.4/32 --dport 9011 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -s 192.168.0.4/32 --dport 9012 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -s 192.168.0.4/32 --dport 9013 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -s 192.168.0.4/32 --dport 9014 -j ACCEPT
iptables -I FORWARD -i eth0 -p tcp -s 192.168.0.4/32 --dport 9015 -j ACCEPT
iptables -I FORWARD -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT