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

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

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

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

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