D11222112113313133313232211233132333131122112322331313331323212321   >>    D1122211211331313331323221123313233313112211232233131333132321232   <<    D11222112113313133313232211233132333131122112322331313331323212323   >>      D11222112113313133313232211233132333131122112322331313331323212322   >>