C3123223313331322121111331333133313231333132212111112113311213231323221   >>    C312322331333132212111133133313331323133313221211111211331121323132322   <<    C3123223313331322121111331333133313231333132212111112113311213231323223   >>      C3123223313331322121111331333133313231333132212111112113311213231323222   >>