D3312121211331322331313232233132333132333132233132313331333131311213221   >>    D331212121133132233131323223313233313233313223313231333133313131121322   <<    D3312121211331322331313232233132333132333132233132313331333131311213223   >>      D3312121211331322331313232233132333132333132233132313331333131311213222   >>