D33131112113313231333133313331333132313231333132313221223323223321   >>    D3313111211331323133313331333133313231323133313231322122332322332   <<    D33131112113313231333133313331333132313231333132313221223323223323   >>      D33131112113313231333133313331333132313231333132313221223323223322   >>