\\ daaabcdccacddccdcdbaabd
\\ daaabdcdcaccdccdcdbaabd
\\ daaabdcdcacddccdcdbaabd
\\ daaabddcdacccccdcdbaabd
\\ daaabddcdaccdccdcdbaabd
\\ daaabddcdacddccdcdbaabd
\\ daaadcbccacddccdcdbaabd
\\ daaadcdccacddccdcdbaabd
\\ daaaddcdcaccdccdcdbaabd
\\ daaaddcdcacddccdcdbaabd
