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

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

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

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

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