D331212121133131333131323223313232233132313223313231323233232221   >>    D33121212113313133313132322331323223313231322331323132323323222   <<    D331212121133131333131323223313232233132313223313231323233232223   >>      D331212121133131333131323223313232233132313223313231323233232222   >>