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

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

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

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

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