D3313111211331323133313331323331323133313233313232233112331333131323132322121   >>    D331311121133132313331333132333132313331323331323223311233133313132313232212   <<    D3313111211331323133313331323331323133313233313232233112331333131323132322123   >>      D3313111211331323133313331323331323133313233313232233112331333131323132322122   >>