C3132121111133313233121111331333133313331333133313331323132313233221   >>    C313212111113331323312111133133313331333133313331333132313231323322   <<    C3132121111133313233121111331333133313331333133313331323132313233223   >>      C3132121111133313233121111331333133313331333133313331323132313233222   >>