Hint for Letters and Numbers<br>(1<sup>st</sup> Round)


Hint for The Smile of CESNET<br> (Practice Challenge)


Hint for The Concert



Challenge Category Value Time
Scandal I. 1<sup>st</sup> (On-line) Round1
WiFi 1<sup>st</sup> (On-line) Round1
Naval Battle 1<sup>st</sup> (On-line) Round4
The Transmission 1<sup>st</sup> (On-line) Round3
Numbers Practice Challenges0
Scandal II. 1<sup>st</sup> (On-line) Round2
Happy CAPTCHA 1<sup>st</sup> (On-line) Round5
OS do not forget 1<sup>st</sup> (On-line) Round5
SpringPeace 1<sup>st</sup> (On-line) Round4
Hash Practice Challenges0
The Pixels 1<sup>st</sup> (On-line) Round1
Two Symbols 1<sup>st</sup> (On-line) Round1
Crosswords 1<sup>st</sup> (On-line) Round3
An EaSy Challenge 1<sup>st</sup> (On-line) Round2
Dust Off 1<sup>st</sup> (On-line) Round4
The Smile of CESNET Practice Challenges0
Almost OK Practice Challenges0
Quartermaster 1<sup>st</sup> (On-line) Round1
Letters and Numbers 1<sup>st</sup> (On-line) Round1
Prague Spring Invitation 2<sup>nd</sup> (On-site) Round4
Plane Plans 2<sup>nd</sup> (On-site) Round1
The Esoteric Cult 2<sup>nd</sup> (On-site) Round4
Personal Gallery 2<sup>nd</sup> (On-site) Round2
Get Ready for Math Exam 2<sup>nd</sup> (On-site) Round2
The Concert 2<sup>nd</sup> (On-site) Round4
A Breach in Night Club 2<sup>nd</sup> (On-site) Round3