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