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

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

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

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

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