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

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

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

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

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