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

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

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

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

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