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

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

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

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

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