P ts

P tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP tsP ts