D12121323331322331313232223132313231311221123223313233313311211113313232131   >>    D1212132333132233131323222313231323131122112322331323331331121111331323213   <<    D12121323331322331313232223132313231311221123223313233313311211113313232133   >>      D12121323331322331313232223132313231311221123223313233313311211113313232132   >>