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