D3313223323213233313232233132311211331323132322223313231333132213231231   >>    D331322332321323331323223313231121133132313232222331323133313221323123   <<    D3313223323213233313232233132311211331323132322223313231333132213231233   >>      D3313223323213233313232233132311211331323132322223313231333132213231232   >>