C312111333131323132313233313131323132313132322331323331323331333132321   >>    C31211133313132313231323331313132313231313232233132333132333133313232   <<    C312111333131323132313233313131323132313132322331323331323331333132323   >>      C312111333131323132313233313131323132313132322331323331323331333132322   >>