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

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

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

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

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