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

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

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

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

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