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

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

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

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

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