D3313222132313113313132313232123313133313232233132233132333132312311331   >>    D331322213231311331313231323212331313331323223313223313233313231231133   <<    D3313222132313113313132313232123313133313232233132233132333132312311333   >>      D3313222132313113313132313232123313133313232233132233132333132312311332   >>