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