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

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

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

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

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