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