D33132221323131133131323132321233131333132322331322331323331323132223221   >>    D3313222132313113313132313232123313133313232233132233132333132313222322   <<    D33132221323131133131323132321233131333132322331322331323331323132223223   >>      D33132221323131133131323132321233131333132322331322331323331323132223222   >>