D331212121133132233131323223313233313233313223313132313231333131121221   >>    D33121212113313223313132322331323331323331322331313231323133313112122   <<    D331212121133132233131323223313233313233313223313132313231333131121223   >>      D331212121133132233131323223313233313233313223313132313231333131121222   >>