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