C1111133313331323223313331333133313331333132213331333132212331321   >>    C111113331333132322331333133313331333133313221333133313221233132   <<    C1111133313331323223313331333133313331333132213331333132212331323   >>      C1111133313331323223313331333133313331333132213331333132212331322   >>