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