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