C3123223313331322121111331333133313231333132212111113331322331212321   >>    C312322331333132212111133133313331323133313221211111333132233121232   <<    C3123223313331322121111331333133313231333132212111113331322331212323   >>      C3123223313331322121111331333133313231333132212111113331322331212322   >>