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