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