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

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

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

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

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