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

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

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

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

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