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

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

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

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

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