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

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

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

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

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