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