C111113331333132322331333133313331333133323223313311211111213331311321   >>    C11111333133313232233133313331333133313332322331331121111121333131132   <<    C111113331333132322331333133313331333133323223313311211111213331311323   >>      C111113331333132322331333133313331333133323223313311211111213331311322   >>