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