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

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

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

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

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