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

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

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

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

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