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

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

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

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

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