C312322331333132212111133133313331323133313221211111211113312223231211   >>    C31232233133313221211113313331333132313331322121111121111331222323121   <<    C312322331333132212111133133313331323133313221211111211113312223231213   >>      C312322331333132212111133133313331323133313221211111211113312223231212   >>