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

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

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

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

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