2p q

2p q2p q2p q2p q2p q2p q
2p q2p q2p q2p q2p q2p q
2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q2p q