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