C111113331333132322331333133313331333132313121111331322121111133313311   >>    C11111333133313232233133313331333133313231312111133132212111113331331   <<    C111113331333132322331333133313331333132313121111331322121111133313313   >>      C111113331333132322331333133313331333132313121111331322121111133313312   >>