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

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

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

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

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