D33132221323131133131323132321233131333132322331322331323331323232311   >>    D3313222132313113313132313232123313133313232233132233132333132323231   <<    D33132221323131133131323132321233131333132322331322331323331323232313   >>      D33132221323131133131323132321233131333132322331322331323331323232312   >>