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