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

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

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

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

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