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

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

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

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

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