D3311211221123233313233313231121133131133132333133313232233132233221   >>    D331121122112323331323331323112113313113313233313331323223313223322   <<    D3311211221123233313233313231121133131133132333133313232233132233223   >>      D3311211221123233313233313231121133131133132333133313232233132233222   >>