C31232233133313221211113313331311331333133313113313331333133313331323133313131   >>    C3123223313331322121111331333131133133313331311331333133313331333132313331313   <<    C31232233133313221211113313331311331333133313113313331333133313331323133313133   >>      C31232233133313221211113313331311331333133313113313331333133313331323133313132   >>