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

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

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

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

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