101 7 1 1 1 1 1 1 1 1
7
a+b+c+d+e+f+g
ab+bc+cd+de+ef+fg+ga
abc+bcd+cde+def+efg+fga+gab
abcd+bcde+cdef+defg+efga+fgab+gabc
abcde+bcdef+cdefg+defga+efgab+fgabc+gabcd
abcdef+bcdefg+cdefga+defgab+efgabc+fgabcd+gabcde
abcdefg-1
