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

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

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

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

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