C12121223131323223313132322331323133313311223131111331323131311   >>    C1212122313132322331313232233132313331331122313111133132313131   <<    C12121223131323223313132322331323133313311223131111331323131313   >>      C12121223131323223313132322331323133313311223131111331323131312   >>