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

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

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

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

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