D132311233131333131322331323121323132333132322331313331313233311231   >>    D13231123313133313132233132312132313233313232233131333131323331123   <<    D132311233131333131322331323121323132333132322331313331313233311233   >>      D132311233131333131322331323121323132333132322331313331313233311232   >>