D331212121133131333131323223313232233132313223313231323123123221   >>    D33121212113313133313132322331323223313231322331323132312312322   <<    D331212121133131333131323223313232233132313223313231323123123223   >>      D331212121133131333131323223313232233132313223313231323123123222   >>