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