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

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

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

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

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