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

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

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

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

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