C3132121111133313233121111331333133313331322331333133313231131211222321   >>    C313212111113331323312111133133313331333132233133313331323113121122232   <<    C3132121111133313233121111331333133313331322331333133313231131211222323   >>      C3132121111133313233121111331333133313331322331333133313231131211222322   >>