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

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

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

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

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