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

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

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

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

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