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