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

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

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

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

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