D33132233232132333132322331323112113313231333133313232212311221   >>    D3313223323213233313232233132311211331323133313331323221231122   <<    D33132233232132333132322331323112113313231333133313232212311223   >>      D33132233232132333132322331323112113313231333133313232212311222   >>