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

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

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

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

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