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

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

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

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

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