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

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

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

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

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