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

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

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

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

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