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