D3313222132313113313132313232123313133313232233132233132333132313232221   >>    D331322213231311331313231323212331313331323223313223313233313231323222   <<    D3313222132313113313132313232123313133313232233132233132333132313232223   >>      D3313222132313113313132313232123313133313232233132233132333132313232222   >>