C22121333132313311211113313331333132233131133133313331312323133323223321   >>    C2212133313231331121111331333133313223313113313331333131232313332322332   <<    C22121333132313311211113313331333132233131133133313331312323133323223323   >>      C22121333132313311211113313331333132233131133133313331312323133323223322   >>