L-99 10 ～ 18

• valvallow's L-99 at master - GitHub
• L10.scm at master from valvallow's L-99 - GitHub
• L11.scm at master from valvallow's L-99 - GitHub
• L12.scm at master from valvallow's L-99 - GitHub
• L13.scm at master from valvallow's L-99 - GitHub
• L14.scm at master from valvallow's L-99 - GitHub
• L15.scm at master from valvallow's L-99 - GitHub
• L16.scm at master from valvallow's L-99 - GitHub
• L17.scm at master from valvallow's L-99 - GitHub
• L18.scm at master from valvallow's L-99 - GitHub

いろいろな書き方を考えるのやめた。

• L-99: Ninety-Nine Lisp Problems