D33131112113313231333133313233313231333132333132322331123313331323133313221131   >>    D3313111211331323133313331323331323133313233313232233112331333132313331322113   <<    D33131112113313231333133313233313231333132333132322331123313331323133313221133   >>      D33131112113313231333133313233313231333132333132322331123313331323133313221132   >>