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

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

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

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

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