C1111233131211111211113313231333132333132322331323133313232323131   >>    C111123313121111121111331323133313233313232233132313331323232313   <<    C1111233131211111211113313231333132333132322331323133313232323133   >>      C1111233131211111211113313231333132333132322331323133313232323132   >>