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

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

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

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

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