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