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