D33123232233131133131323323132333131323223313223313233313311231221   >>    D3312323223313113313132332313233313132322331322331323331331123122   <<    D33123232233131133131323323132333131323223313223313233313311231223   >>      D33123232233131133131323323132333131323223313223313233313311231222   >>