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