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

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

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

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

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