(0 16 13 11 9)(1 20 7 6 4)(2 5 3)(8 19 17)(10 18 15)(12 21 14)
ALLOWS (11/8)-SEQUENCE
1: (0 2 5)

(0 3 2 16 13 11 9)(1 20 7 6 4)(5)(8 19 17)(10 18 15)(12 21 14)
2: (1 20 4)

(0 3 2 16 13 11 9)(1)(4 7 6)(5)(8 19 17)(10 18 15)(12 21 14)(20)
3: (0 3 13)

(0 11 9)(1)(2 16 13)(3)(4 7 6)(5)(8 19 17)(10 18 15)(12 21 14)(20)
4: (12 21 14)

(0 11 9)(1)(2 16 13)(3)(4 7 6)(5)(8 19 17)(10 18 15)(12)(14)(20)(21)