D33131112113313231333133313233313231333132333132322331123313223331231   >>    D3313111211331323133313331323331323133313233313232233112331322333123   <<    D33131112113313231333133313233313231333132333132322331123313223331233   >>      D33131112113313231333133313233313231333132333132322331123313223331232   >>