P naoh

P naohP naohP naohP naohP naohP naoh
P naohP naohP naohP naohP naohP naoh
P naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naohP naoh