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

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

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

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

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