D33131112113313231333133313233313231333132313231323223313232323233222331   >>    D3313111211331323133313331323331323133313231323132322331323232323322233   <<    D33131112113313231333133313233313231333132313231323223313232323233222333   >>      D33131112113313231333133313233313231333132313231323223313232323233222332   >>