D3312121211331322331313232233132333132333132233132313331333131232311321   >>    D331212121133132233131323223313233313233313223313231333133313123231132   <<    D3312121211331322331313232233132333132333132233132313331333131232311323   >>      D3312121211331322331313232233132333132333132233132313331333131232311322   >>