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

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

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

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

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