D33132233232132333132322331323112113313231333133313231323133313331311222221   >>    D3313223323213233313232233132311211331323133313331323132313331333131122222   <<    D33132233232132333132322331323112113313231333133313231323133313331311222223   >>      D33132233232132333132322331323112113313231333133313231323133313331311222222   >>