C31232233133313221211113313331333132313331322121111121111331311113323321   >>    C3123223313331322121111331333133313231333132212111112111133131111332332   <<    C31232233133313221211113313331333132313331322121111121111331311113323323   >>      C31232233133313221211113313331333132313331322121111121111331311113323322   >>