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