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

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

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

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

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