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