C31232233133313221211113313331333132313331322121111121111111333131133131113121   >>    C3123223313331322121111331333133313231333132212111112111111133313113313111312   <<    C31232233133313221211113313331333132313331322121111121111111333131133131113123   >>      C31232233133313221211113313331333132313331322121111121111111333131133131113122   >>