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