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