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