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

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

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

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

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