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