p2b2b1b2b1[45] p2b2b1b2b1[46] p2b2b1b2b1[47] p2b2b1b2b1[48] p2b2b1b2b1[49] p2b2b1b2b1[50] p2b2b1b2b1[51] p2b2b1b2b1[52] p2b2b1b2b1[53] p2b2b1b2b1[54]