D11233131212331323223313133313112211232322331313132333132233231   >>    D1123313121233132322331313331311221123232233131313233313223323   <<    D11233131212331323223313133313112211232322331313132333132233233   >>      D11233131212331323223313133313112211232322331313132333132233232   >>