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

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

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

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

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