D331322332321323331323223313231121133132313331333132311221123232221   >>    D33132233232132333132322331323112113313231333133313231122112323222   <<    D331322332321323331323223313231121133132313331333132311221123232223   >>      D331322332321323331323223313231121133132313331333132311221123232222   >>