C312322331333132212111133133313331323133313221211113313121323311   >>    C31232233133313221211113313331333132313331322121111331312132331   <<    C312322331333132212111133133313331323133313221211113313121323313   >>      C312322331333132212111133133313331323133313221211113313121323312   >>