D33131112113313231333133313331333132313231333132313221123313331333132321113221   >>    D3313111211331323133313331333133313231323133313231322112331333133313232111322   <<    D33131112113313231333133313331333132313231333132313221123313331333132321113223   >>      D33131112113313231333133313331333132313231333132313221123313331333132321113222   >>