C312322331333132212111133133313331323133313221211111211113322132233133313221   >>    C31232233133313221211113313331333132313331322121111121111332213223313331322   <<    C312322331333132212111133133313331323133313221211111211113322132233133313223   >>      C312322331333132212111133133313331323133313221211111211113322132233133313222   >>