D3312121211331322331313232233132333132333132233132333131131121121   >>    D331212121133132233131323223313233313233313223313233313113112112   <<    D3312121211331322331313232233132333132333132233132333131131121123   >>      D3312121211331322331313232233132333132333132233132333131131121122   >>