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