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