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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Check the case "#n[e]###x[h]xrv[p]x#sz[sec]ha[ohr]cbgm[a]". Is it the serie of bombs 2-3-4 would destroy the chain "x[h]xrv[" that makes the p vulnerable against the 5th bomb?
The test case expected "psecohra" but the correct result should be "secohra".