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

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

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

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

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