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

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

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

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

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