D331212121133131333131323223313232233132313223313113313232323221   >>    D33121212113313133313132322331323223313231322331311331323232322   <<    D331212121133131333131323223313232233132313223313113313232323223   >>      D331212121133131333131323223313232233132313223313113313232323222   >>