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

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

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

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

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