Contiguous Ordering Solutions

U = {A, B, C, D, E, F, G, H, I}

S = {{E, G}

{F, G , H}

{A, I}

{C, D}

{E, G}

{A, H, I}

{B, D}

{F, H}

{A, B, D, I}

{C, D}}

E G F H A I B D C

Contiguous ordering problem

Solution

E G F H I A B D C

C D B I A H F G E

C D B A I H F G E

reversal

interchange

I and A

Alternate Solutions

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