5srk1 4srk 3srk1b 2srk1 1srk
g2qk f2qk1b e2qk1 d2qk c2qk1b
rbqk1b qbqk1 pbqk obqk1b nbqk1
2kpk1 1kpk 0kpk1b zkpk1 ykpk
duok cuok1b buok1 auok 9tok1b