D331322332321323331323223313231121133132313331333132311221123232211   >>    D33132233232132333132322331323112113313231333133313231122112323221   <<    D331322332321323331323223313231121133132313331333132311221123232213   >>      D331322332321323331323223313231121133132313331333132311221123232212   >>