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