(0 18 2)(1 21 3)(4 22 20 17 5)(6 16 8)(7 11 9)(10 14 12)(13 19 15)
ALLOWS (11/8)-SEQUENCE
1: (0 2 18)

(0 2 18)(1 21 3)(4 22 20 17 5)(6 16 8)(7 11 9)(10 14 12)(13 19 15)
2: (1 21 3)

(0 2 18)(1)(3)(4 22 20 17 5)(6 16 8)(7 11 9)(10 14 12)(13 19 15)(21)
3: (17 22 20)

(0 2 18)(1)(3)(4 22 5)(6 16 8)(7 11 9)(10 14 12)(13 19 15)(17)(20)(21)
4: (0 2 18)

(0)(1)(2)(3)(4 22 5)(6 16 8)(7 11 9)(10 14 12)(13 19 15)(17)(18)(20)(21)