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

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

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

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

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