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