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