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

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

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

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

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