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

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

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

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

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