C3123223313331322121111331333133313231333132212111113231323223121   >>    C312322331333132212111133133313331323133313221211111323132322312   <<    C3123223313331322121111331333133313231333132212111113231323223123   >>      C3123223313331322121111331333133313231333132212111113231323223122   >>