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

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

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

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

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