p1b2[3]
p2b2b1b2b1[8]
p2b2b1b2b2b2[4]
p1b1[2]
p0b1b1b2[15]
p2b2b1b1[19]
p2b2b2[20]
p0b1b2[22]
p2b2b1b2b2b1[3]
p1b1b2[3]