C111113331333132322331333133313331333132313121111331322123233112113311   >>    C11111333133313232233133313331333133313231312111133132212323311211331   <<    C111113331333132322331333133313331333132313121111331322123233112113313   >>      C111113331333132322331333133313331333132313121111331322123233112113312   >>