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