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