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

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

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

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

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