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

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

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

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

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