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