Problem	16542
Created	2012-10-25
Name	4-5-7
Source	go lessons
Rating

Difficulty	14.1 kyu
Average Solve Time	37 secs
User Attempts	1613 / 4287
Solve Ratio Rating	6 kyu
	rating history

(;AW[br]AW[ar]AW[cr]AW[dq]AW[er]AW[es]AB[bq]AB[cp]AB[bo]AB[dp]AB[eq]AB[fq]AB[fr]AB[fs]AB[ep]AP[goproblems] (;B[bs];W[cs];B[dr];W[ds];B[cq]C[RIGHT]) (;B[dr];W[ds];B[cq];W[bs];B[dr]C[ko]) (;B[cs];W[bs];B[dr];W[ds];B[cq];W[dr]) (;B[ds];W[dr]) (;B[cq];W[dr];B[cs];W[bs]))