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