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