C31232233133313221211113313331333132313331322121111121111111333131133133323231   >>    C3123223313331322121111331333133313231333132212111112111111133313113313332323   <<    C31232233133313221211113313331333132313331322121111121111111333131133133323233   >>      C31232233133313221211113313331333132313331322121111121111111333131133133323232   >>