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

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

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

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

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