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

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

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

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

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