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

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

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

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

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