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

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

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

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

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