C111113331333132322331333133313331333132313121111331322121111133313231323121   >>    C11111333133313232233133313331333133313231312111133132212111113331323132312   <<    C111113331333132322331333133313331333132313121111331322121111133313231323123   >>      C111113331333132322331333133313331333132313121111331322121111133313231323122   >>