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

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

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

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

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