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

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

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

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

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