(0 21 4)(1 22 19)(2 23 8)(3 10 5)(6 12 7)(9 14 11)(13 17 15)(16 20 18)
ALLOWS (11/8)-SEQUENCE
1: (4 6 21)
(0 21 12 7 6)(1 22 19)(2 23 8)(3 10 5)(4)(9 14 11)(13 17 15)(16 20 18)
2: (3 10 5)
(0 21 12 7 6)(1 22 19)(2 23 8)(3)(4)(5)(9 14 11)(10)(13 17 15)(16 20 18)
3: (7 21 12)
(0 21 6)(1 22 19)(2 23 8)(3)(4)(5)(7)(9 14 11)(10)(12)(13 17 15)(16 20 18)
4: (9 14 11)
(0 21 6)(1 22 19)(2 23 8)(3)(4)(5)(7)(9)(10)(11)(12)(13 17 15)(14)(16 20 18)