Arrange the following steps of handwashing, before entering a NICU, in proper sequence:
Steps of handwashing : 1 - 4 - 3 - 2
Neonatal sepsis
1 - 2 - 3 - 4
1 - 4 - 3 - 2
4 - 3 - 2 - 1
3 -2 - 4 -1
1 - 4 - 3 - 2