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