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