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

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

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

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

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