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

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

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

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

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