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