p2b2b1b2b2b1[20]
p2b2b1b2b2b1[21]
p2b2b1b2b2b1[19]
p2b2b1b2b2b1[22]
p2b2b1b2b2b1[18]
p2b2b1b2b2b1[23]
p2b2b1b2b2b1[17]
p2b2b1b2b2b1[24]
p2b2b1b2b2b1[16]
p2b2b1b2b2b1[25]