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

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

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

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

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