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

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

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

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

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