C111113331333132322331333133313331333132233221211111333131133133313131121   >>    C11111333133313232233133313331333133313223322121111133313113313331313112   <<    C111113331333132322331333133313331333132233221211111333131133133313131123   >>      C111113331333132322331333133313331333132233221211111333131133133313131122   >>