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