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

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

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

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

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