C111113331333132322331333133313331333132313121111331322121212111   >>    C11111333133313232233133313331333133313231312111133132212121211   <<    C111113331333132322331333133313331333132313121111331322121212113   >>      C111113331333132322331333133313331333132313121111331322121212112   >>