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

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

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

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

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