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

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

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

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

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