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