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

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

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

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

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