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