D331322332321323331323223313231121133132313232222331323133313233112121   >>    D33132233232132333132322331323112113313231323222233132313331323311212   <<    D331322332321323331323223313231121133132313232222331323133313233112123   >>      D331322332321323331323223313231121133132313232222331323133313233112122   >>