D1212132333132233131323222313231323133313231322331323131133132313232111231   >>    D121213233313223313132322231323132313331323132233132313113313231323211123   <<    D1212132333132233131323222313231323133313231322331323131133132313232111233   >>      D1212132333132233131323222313231323133313231322331323131133132313232111232   >>