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

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

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

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

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