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