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

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

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

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

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