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

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

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

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

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