C111113331333132322331333133313331333132313121111113313112333233121   >>    C11111333133313232233133313331333133313231312111111331311233323312   <<    C111113331333132322331333133313331333132313121111113313112333233123   >>      C111113331333132322331333133313331333132313121111113313112333233122   >>