C31232233133313221211113313331333132313232233133313231323133323331322231   >>    C3123223313331322121111331333133313231323223313331323132313332333132223   <<    C31232233133313221211113313331333132313232233133313231323133323331322233   >>      C31232233133313221211113313331333132313232233133313231323133323331322232   >>