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

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

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

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

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