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