D3312121211331322331313232233132333132333132233132313221323131321   >>    D331212121133132233131323223313233313233313223313231322132313132   <<    D3312121211331322331313232233132333132333132233132313221323131323   >>      D3312121211331322331313232233132333132333132233132313221323131322   >>