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

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

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

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

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