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