D11222112113313133313232211233132333131122112322331313331323133313233313223221   >>    D1122211211331313331323221123313233313112211232233131333132313331323331322322   <<    D11222112113313133313232211233132333131122112322331313331323133313233313223223   >>      D11222112113313133313232211233132333131122112322331313331323133313233313223222   >>