C3123223313331322121111331333133313231323223313331333131122313221   >>    C312322331333132212111133133313331323132322331333133313112231322   <<    C3123223313331322121111331333133313231323223313331333131122313223   >>      C3123223313331322121111331333133313231323223313331333131122313222   >>