D331212121133132233131323223313233313233313223313231333133313233212121121   >>    D33121212113313223313132322331323331323331322331323133313331323321212112   <<    D331212121133132233131323223313233313233313223313231333133313233212121123   >>      D331212121133132233131323223313233313233313223313231333133313233212121122   >>