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