D33132233232132333132322331323112113313231333133313231323133311231231   >>    D3313223323213233313232233132311211331323133313331323132313331123123   <<    D33132233232132333132322331323112113313231333133313231323133311231233   >>      D33132233232132333132322331323112113313231333133313231323133311231232   >>