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

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

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

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

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