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

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

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

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

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