C111113331333132322331333133313331333132313121111331211113322212331322121   >>    C11111333133313232233133313331333133313231312111133121111332221233132212   <<    C111113331333132322331333133313331333132313121111331211113322212331322123   >>      C111113331333132322331333133313331333132313121111331211113322212331322122   >>