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