D33132233232132333132313232321323133313231323111133132313111221   >>    D3313223323213233313231323232132313331323132311113313231311122   <<    D33132233232132333132313232321323133313231323111133132313111223   >>      D33132233232132333132313232321323133313231323111133132313111222   >>