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