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