C3123223313331322121111331333133313231333133313331333133313331323222223221   >>    C312322331333132212111133133313331323133313331333133313331333132322222322   <<    C3123223313331322121111331333133313231333133313331333133313331323222223223   >>      C3123223313331322121111331333133313231333133313331333133313331323222223222   >>