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