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

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

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

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

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