C3131313233313113313223313223313112113313233313133313232211211331   >>    C313131323331311331322331322331311211331323331313331323221121133   <<    C3131313233313113313223313223313112113313233313133313232211211333   >>      C3131313233313113313223313223313112113313233313133313232211211332   >>