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

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

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

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

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