890rk 990rk4 aa1r ba1rk ca1rk4
x01rk4 y01r z01rk 001rk4 101r
mr2r nr2rk or2rk4 pr2r qr2rk
bi3rk ci3rk4 di3r ei3rk fi3rk4
083rk4 183r 283rk 383rk4 483r