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

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

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

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

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