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