D11222112113313133313232211233132333131122112322331313331323132313213231   >>    D1122211211331313331323221123313233313112211232233131333132313231321323   <<    D11222112113313133313232211233132333131122112322331313331323132313213233   >>      D11222112113313133313232211233132333131122112322331313331323132313213232   >>