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

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

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

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

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