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