HELP! Can a twisted umbilicus be helped?!

[Stewart_Reptiles]

Update:
I pulled both out of the egg and the twist was very minor, i was able to correct it without cutting the cord.
I put them back in the egg and made sure to get some distilled water on them. They have quite a but of yolk to go but this should help.
Hope they pull through ok.
Would it have been better to just put them in a deli cup with wet paper towels and placed them in the incubator, instead of back in the egg? At this point i think there's some bacteria growth on the eggs, they look slightly discolored.
Thanks guys for all the help, hopefully they do ok.

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At this point since you managed to untangle him without cutting I would suggest to have him in a deli cup (with some moist paper towel) to limit his movement and allow him to absorbed his yolk, if their is no signs of him absorbing it's yolk in the next 24/36 hours I would go ahead and cut the sac anyway.