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