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