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

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

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

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

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