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

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

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

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

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