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

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

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

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

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