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

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

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

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

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