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

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

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

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

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