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

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

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

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

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