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

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

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

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

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