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

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

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

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

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