D3312121211331322331313232233132333132333132233132313113313111121   >>    D331212121133132233131323223313233313233313223313231311331311112   <<    D3312121211331322331313232233132333132333132233132313113313111123   >>      D3312121211331322331313232233132333132333132233132313113313111122   >>