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

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

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

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

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