D33132233232132333132322331323112113313231333133313113313331313231221   >>    D3313223323213233313232233132311211331323133313331311331333131323122   <<    D33132233232132333132322331323112113313231333133313113313331313231223   >>      D33132233232132333132322331323112113313231333133313113313331313231222   >>