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