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

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

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

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

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