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

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

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

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

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