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