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

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

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

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

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