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