D12121212121313231311331323112331323223313233212111133132313231333132211331   >>    D1212121212131323131133132311233132322331323321211113313231323133313221133   <<    D12121212121313231311331323112331323223313233212111133132313231333132211333   >>      D12121212121313231311331323112331323223313233212111133132313231333132211332   >>