C312322331333132212111133133313331323133313221211111333132233312321   >>    C31232233133313221211113313331333132313331322121111133313223331232   <<    C312322331333132212111133133313331323133313221211111333132233312323   >>      C312322331333132212111133133313331323133313221211111333132233312322   >>