D33123232233131133131323323132333131323223313233311233132211231   >>    D3312323223313113313132332313233313132322331323331123313221123   <<    D33123232233131133131323323132333131323223313233311233132211233   >>      D33123232233131133131323323132333131323223313233311233132211232   >>