C111113331333132322331333133313331311331323133313221211111213121   >>    C11111333133313232233133313331333131133132313331322121111121312   <<    C111113331333132322331333133313331311331323133313221211111213123   >>      C111113331333132322331333133313331311331323133313221211111213122   >>