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

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

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

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

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