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

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

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

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

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