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