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

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

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

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

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