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

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

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

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

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