D33132221323131133131323132321233131333132322331322331323123121   >>    D3313222132313113313132313232123313133313232233132233132312312   <<    D33132221323131133131323132321233131333132322331322331323123123   >>      D33132221323131133131323132321233131333132322331322331323123122   >>