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

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

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

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

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