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