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

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

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

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

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