D3312121211331322331313232233132333132313231211113313231333132322132311   >>    D331212121133132233131323223313233313231323121111331323133313232213231   <<    D3312121211331322331313232233132333132313231211113313231333132322132313   >>      D3312121211331322331313232233132333132313231211113313231333132322132312   >>