D33131112113313231333133313233313231333132333132322331333132323123221   >>    D3313111211331323133313331323331323133313233313232233133313232312322   <<    D33131112113313231333133313233313231333132333132322331333132323123223   >>      D33131112113313231333133313233313231333132333132322331333132323123222   >>