C31232233133313221211113313331333132313331322121111121111133313232213221   >>    C3123223313331322121111331333133313231333132212111112111113331323221322   <<    C31232233133313221211113313331333132313331322121111121111133313232213223   >>      C31232233133313221211113313331333132313331322121111121111133313232213222   >>