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

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

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

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

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