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

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

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

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

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