D12121323331322331313232223132313231311221123223313233313311232321   >>    D1212132333132233131323222313231323131122112322331323331331123232   <<    D12121323331322331313232223132313231311221123223313233313311232323   >>      D12121323331322331313232223132313231311221123223313233313311232322   >>