How does a 4-pole induction motor winding create 4 poles?

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I've studied a 2-pole IM with its winding diagram and understood how the two poles are formed. But I'm struggling to understand the same thing about a 4-pole motor.
Diagram of a 4-pole induction motor stator winding: top, a linear unrolled view of coil groups labelled U1 and U2 with coil sides in alternating colours; bottom, a cross-section of the stator with red and blue coil groups around the bore and a rotor in the centre.

How does this winding arrangement result into 4 poles?
 
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Diagram of a three-phase motor stator winding with coil groups numbered 1 to 12, red, blue and green coils, and N and S pole markers on phase waveforms; left inset shows current direction and magnetic field into or out of the page.


I think it is the same explanation. See the sketch.
 
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