C312111333131323132313233313131323132313132322331323331323213221   >>    C31211133313132313231323331313132313231313232233132333132321322   <<    C312111333131323132313233313131323132313132322331323331323213223   >>      C312111333131323132313233313131323132313132322331323331323213222   >>