C111113331333132322331333133313331311331323133313221211111122112121   >>    C11111333133313232233133313331333131133132313331322121111112211212   <<    C111113331333132322331333133313331311331323133313221211111122112123   >>      C111113331333132322331333133313331311331323133313221211111122112122   >>