D3312121211331313331313232233132322331323132233131133132322113221   >>    D331212121133131333131323223313232233132313223313113313232211322   <<    D3312121211331313331313232233132322331323132233131133132322113223   >>      D3312121211331313331313232233132322331323132233131133132322113222   >>