D2333132312112113313232233131121133132333132322223313233313221211   >>    D233313231211211331323223313112113313233313232222331323331322121   <<    D2333132312112113313232233131121133132333132322223313233313221213   >>      D2333132312112113313232233131121133132333132322223313233313221212   >>