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

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

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

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

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