D3313223323213233313232233132311211331323133313331311221123133112311   >>    D331322332321323331323223313231121133132313331333131122112313311231   <<    D3313223323213233313232233132311211331323133313331311221123133112313   >>      D3313223323213233313232233132311211331323133313331311221123133112312   >>