(0 19 17)(1 18 5)(2 15 3)(4 8 6)(7 11 9)(10 16 13)(12 20 14)
ALLOWS (11/8)-SEQUENCE
1: (3 13 15)

(0 19 17)(1 18 5)(2 15 10 16 13)(3)(4 8 6)(7 11 9)(12 20 14)
2: (12 20 14)

(0 19 17)(1 18 5)(2 15 10 16 13)(3)(4 8 6)(7 11 9)(12)(14)(20)
3: (2 15 10)

(0 19 17)(1 18 5)(2 16 13)(3)(4 8 6)(7 11 9)(10)(12)(14)(15)(20)
4: (1 18 5)

(0 19 17)(1)(2 16 13)(3)(4 8 6)(5)(7 11 9)(10)(12)(14)(15)(18)(20)