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

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

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

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

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