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

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

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

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

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