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

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

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

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

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