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

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

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

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

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