C111113331333132322331333133313331333132313121111331322121333131231211   >>    C11111333133313232233133313331333133313231312111133132212133313123121   <<    C111113331333132322331333133313331333132313121111331322121333131231213   >>      C111113331333132322331333133313331333132313121111331322121333131231212   >>