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