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

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

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

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

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