(0 21 2)(1 5 3)(4 11 6)(7 19 8)(9 14 10 16 12)(13 17 15)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 5 9)
(0 21 2)(1 14 10 16 12 9 3)(4 11 6)(5)(7 19 8)(13 17 15)(18 22 20)
2: (4 11 6)
(0 21 2)(1 14 10 16 12 9 3)(4)(5)(6)(7 19 8)(11)(13 17 15)(18 22 20)
3: (1 14 10)
(0 21 2)(1 16 12 9 3)(4)(5)(6)(7 19 8)(10)(11)(13 17 15)(14)(18 22 20)
4: (3 12 9)
(0 21 2)(1 16 12)(3)(4)(5)(6)(7 19 8)(9)(10)(11)(13 17 15)(14)(18 22 20)