étape 4 FFFF00 4 1325.3 1348.6 1364 1387.2 1420.7 1487.1 1502.2 1529.5 1546.4 1544 1523.9 1529.8 1508.7 1525.7 1518.4 1517.1 1505.2 1511.4 1502.9 1520.5 1501.9 1543.2 1541.3 1543.5 1551 1551.4 1544 1532.4 1548.4 1540.1 1558.1 1543.8 1556.4 1552.2 1568.7 1548.5 1534.2 1560.8 1544.8 1556.6 1548.9 1534 1558.4 1558.1 1573.1 1567.4 1590 1550.8 1578.9 1591.6 1596.5 1554.8 1581.4 1593.8 1601.8 1572.9 1566 1569.9 1584.4 1577.8 1582.9