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

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

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

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

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