D33121212113313223313132322331323331323131333131133132322131231   >>    D3312121211331322331313232233132333132313133313113313232213123   <<    D33121212113313223313132322331323331323131333131133132322131233   >>      D33121212113313223313132322331323331323131333131133132322131232   >>