D331212121133132233131323223313233313233313223313231331123211331   >>    D33121212113313223313132322331323331323331322331323133112321133   <<    D331212121133132233131323223313233313233313223313231331123211333   >>      D331212121133132233131323223313233313233313223313231331123211332   >>