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