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

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

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

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

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