D33123232233131133131323323132333131323223313223313233313132313221231   >>    D3312323223313113313132332313233313132322331322331323331313231322123   <<    D33123232233131133131323323132333131323223313223313233313132313221233   >>      D33123232233131133131323323132333131323223313223313233313132313221232   >>