(0 21 18)(1 20 9 6 4)(2 16 8 5 3)(7 12 10)(11 15 13)(14 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 2 16)

(0 8 5 3 2 21 18)(1 20 9 6 4)(7 12 10)(11 15 13)(14 19 17)(16)
2: (1 20 4)

(0 8 5 3 2 21 18)(1)(4 9 6)(7 12 10)(11 15 13)(14 19 17)(16)(20)
3: (5 21 18)

(0 8 5)(1)(2 21 3)(4 9 6)(7 12 10)(11 15 13)(14 19 17)(16)(18)(20)
4: (14 19 17)

(0 8 5)(1)(2 21 3)(4 9 6)(7 12 10)(11 15 13)(14)(16)(17)(18)(19)(20)