835 10
abaaaaaaaaaabaaaaaaaaaaaaaaaabaaaaaaabaaaaabaaaabaaaaaaaabaaaaaaabaaaaaaaababaabaaaaaaaaaaaaabaaaaaaaabbbacaaaaaaaaaaaaabaaaaaabaabbaaaaaaaabaaaabaaaaaaaaaaaabaaaaaaaaaaaaaababaabadabacaaaaaabaaaaaaaabbcaaaaaaababaaaaacaaaaaaacaaaaabaaaaaaabababaaaaaaaaaaaaaaaaadaabbaaaaaaaaaabaaaaaaaaacbaaababaaaaaaaaaabaaaaabacaaaaaaaaaacaaabaacaabbaaaaaaacaaaabaabaaaaaacaaabaaaabaabaaaaaaaaaabaabaababaaaaaaaaaaaaaaaaaaaabaaaaaabaaaaabaaaaaaaaaaaaaaaabaaaaaabaaacaaaaabacaaaaaaaaaaabaaaaaaabaaabaaaaaabaaaabaaaaaaaaaaaabaabaaaaaababbbaaaaaaaaaaaaaacaaaaaaaaaaadaabaabaaaaabaaaaaaaaaabcaabaababaaaaaaaaabaaaaaaaaaaabaaaaaaaaaaaaacbaabaaaaaabbbaaaaaaaaaaaaaaaaaaaaaaaaabaaabaaaaaaabaaaaaaaaaaaaaaaabaaaaaaaaaabaaaaaaaaaaaaaaabbaaaabaaaabaaaaaaabbaaaaaaaaaaaaaaaaaaaabaaaaaaabaaaaaaaaaaaaabaaaabaaaaaabaaaaabbaaaabbaaaabbaaaaaaaaaaabbaaaaaaaaaabaaab
