C++

Number of solutions: 1 Solution 1: @bbbbbbbbccccc abbddbbbb@cccc aaaddb@bbdeecc aadddddd@dgecc aaa@fdddddgecc ahhffff@gggeee i@hhhfjjjggeee ihhihfkjjeeee@ iiiihkkjjj@len ii@iikkjjjllln mmimmkkkkjll@n mmmmm@kkjjjjnn mmmmmmkkknj@nn mmmm@mmkknnnnn