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