C31232233133313221211113313331333132313331322121111133313113312331   >>    C3123223313331322121111331333133313231333132212111113331311331233   <<    C31232233133313221211113313331333132313331322121111133313113312333   >>      C31232233133313221211113313331333132313331322121111133313113312332   >>