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

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

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

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

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