D33132221323131133131323132321233131323223313223313233313132322311   >>    D3313222132313113313132313232123313132322331322331323331313232231   <<    D33132221323131133131323132321233131323223313223313233313132322313   >>      D33132221323131133131323132321233131323223313223313233313132322312   >>