WL1 Skip Levels

How to skip levels in Wario Land 1?(Discovered by greenalink)
actually this is very simple to do that is to press right and down or right and up both at the same time at certain levels and those are:
-for rice beach 01 press right and down
-for mt teapot(yeah all this world) right and down
-for sherbet land 16 right and up
-for stove canyon 21 and 23 right and up
-for ss tea cup 28 right and up
-for parsely woods 31 right and dowm