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

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

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

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

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