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